present and past perfect tense worksheets pdf

... method of changing a sentence from active into passive in present simple tense and past simple tense easier and to improve the subject’s quality and to help students gain the basic knowledge to continue ... THE OBJECT AND SCOPE OF THE STUDY: + The object of the research subject is the the method of changing an active sentence into a passive sentence in present simple tense and past simple tense used ... how to change an active sentence into a passive sentence in the present simple and the past simple and easy to remember and understand This makes it easier for students to learn English, especially

Ngày tải lên: 14/08/2017, 08:27

... "to be" in present tense or past tense Example: My dog (be) is sick today (present tense) Example: My dog (be) was sick last night (past tense) 1) The clouds moved away, and the sun shone ... correct form of "to be" in present tense or past tense Example: My dog (be) is sick (present tense) Example: My dog (be) was sick last night (past tense) 1) Sarah (be) at the party ... my best last night Li-Ning and Akmoud (be) friend She and | (be) in there too the same English class It meets from 10:00 to 10:50 3) Mallika and | (be) at 4) Johan and | (be) in the

Ngày tải lên: 03/01/2021, 09:43

... Trang 1REVIEW: Simple present and simple continuous tense © Copyright: Thudominh Grammar Trang 206/26/24 Nguyễn Mạnh Hùng 2• Ở xác định ... can the Trang 11Make these sentences into questions1 I’ m late Am I late? 2 Mr and Mrs Jones are at home. Are Mr and Mrs Jones at home? 3 Jane lives near here. Does Jane live here? 4 She’s from ... occasionally Trang 9Complete the gap with are you or do youWork in pair with a person from other group Ask and answer the questions do you Do you do you Do you do you Do you Are you do you Do you are you

Ngày tải lên: 27/06/2014, 18:20

... Trang 1PAST PERFECTand PAST PERFECT CONTINOUOS Trang 2PAST Past Perfect; My husband had painted our house (in 1789) before we moved in (1790) ... house then! Trang 3PAST Past Perfect Continuous: My husband had been painting our house He was very tired It was half painted then It wasn`t finished It Trang 4The lion was tired and sleepyIt ... for eight seconds when the ladder fell (fall) Trang 13Chicken sandwichI wasn`t (be) hungry I had just eaten (just/eat)a chicken sandwich Trang 14Get on train!We were (be) too late The train had

Ngày tải lên: 04/12/2016, 10:48

... using the notes in brackets The verbs can be present tenses or past tenses 1 We bought this picture a long time ago (we/ have/ it)for ages 2 Sandra finds her mobile phone very useful (she/ ... dùng thì quá khứ hoàn thành tiếp diễn (past perfect progressive) chứ không dùng thì quá khứ tiếp diễn (past progressive) Ex: We’dd been walking since sunrise, and we were hungry [NOT We were walking ... are stopping b will stop c stop d are going to stop Exercise 5: Put the verbs In the present perfect or past perfect Sometimes you need the negative. 1 Who is that woman? I (never/see) her before

Ngày tải lên: 18/10/2018, 19:53

... Accounting Standards• Cost Accounting Standards Board - government contracts, colleges and universities that receive federal research funds • Governmental Accounting Standards Board - state and local ... Trang 1CHAPTER 1ACCOUNTING PRESENT AND PAST Trang 2-Learning Objectives1 What is the FASB? 2 Who uses accounting information and why? 3 What is accounting? 4 What do accountants ... over 140 standards statements • Uses due process is setting standards McGraw­Hill/Irwin ©The McGraw­Hill Companies, Inc., 2002 Trang 15Learning Objective 6• Where did accounting standards come

Ngày tải lên: 21/09/2020, 14:21

... currently Present Perfect Tense have/ has + past participle Have you ever seen a white deer? for, since, ever, never, already, yet, just, so far, recently Present Perfect Continuous Tense have/ ... month/ week… Past Continuous Tense was/were + verb + -ING Alex is such a whiner –he was complaining about his boss for half an hour when we last talked For, while Past Perfect Tense had + past participle ... time Past Perfect Continuous Tense had been + verb + -ING His day was a disaster-he had been waiting at the doctors for three hours before he was admitted before Simple Continuous Perfect Perfect

Ngày tải lên: 17/10/2020, 18:27

... the past perfect for something that started in the past and continued up to a later time in the past : When I was 18 years old, I had gone to CTU to learn. Trang 3T HE USES We use the past perfect ... didn’t buy a new apartment He had lost his job. Trang 5F ORMULA : S + V + O Present Perfect: S +Have/Has+ V3/ED+ O Past Perfect: S + Had+ V3/ED + O She didn't want to move She had lived in ... past perfect when we are talking about for something that happened in the past and is important at a later time in the past : I couldn’t work in that company I hadn’t passed the final interview

Ngày tải lên: 23/08/2023, 16:54

... progressive or perfect aspect There are two kinds of participle in English which are the present participle and the past participle (Mc Graw-Hill, 1976) According to Richards and others, the present ... collection procedure and the statistical analysis of data Chapter III presents the findings on the grammar test and the student interviews and applications for the teaching and learning English ... Adjectives is worth discussing Why do the students find it difficult to acquire the uses and meaning of present and past participles as adjectives A lot of reasons for this are assumed In my opinion,

Ngày tải lên: 28/03/2015, 09:23

... system and the market is huge demanding for such distributed sensing of human well beings through their vital signs However, the present state of arts and commercial products are limited and there ... devices are still receiving huge attentions and commercial demands simply because of their outstanding features, but they really need to be highly portable and easily embeddable into our bodies for ... products like blood pressure meter, thermometer and portable ECG and Philips vital sense product and sports monitoring devices as seen in Figures.1 and 2 For these commercially available health

Ngày tải lên: 19/06/2014, 08:20

... 4. THE PRESENT PERFECT AND THE PRESENT PERFECT CONTINUOUS 1. Use of the present perfect The English Present Perfect tense is used to express actions which have already been completed, or perfected, ... Formation The Present Perfect Continuous tense of any English verb is formed from the Present Perfect of to be, followed by the present participle of the verb. For instance, the Present Perfect Continuous ... Questions and negative statements As is the case with other English tenses, questions and negative statements in the Present Perfect are formed using the auxiliary. In the case of the Present Perfect,

Ngày tải lên: 02/07/2014, 21:00

... 14TORNADOTrang 15EARTHQUAKETrang 16TIDAL WAVETrang 17PAST SIMPLETrang 18READ AND WRITE Trang 19ALEXANDER GRAHAM BELL GROW UP – EDIMBURGH, SCOTLAND MARRY- MABEL HUBBARD INVENT – THE TELEPHONE WIN- ... ROCK ‘N ROLL MUSIC SANG Trang 33VAN GOGH……… BEAUTIFULLY PAINTED Trang 34READ AND CIRCLE: PAST SIMPLE OR PRESENT PERFECT SIMPLE? Trang 351 SHE HAS LIVED / LIVED IN LONDON FOR 5 YEARS SHE LIVES ... OSCAR DID HE WIN THE OSCAR ? NO, HE DIDN’T. HE WON INTERNATIONAL FAME Trang 24PRESENT PERFECT SIMPLETrang 25LOOK AND WRITE Trang 26HE HAS CUT HIS FINGER HAS HE CUT HIS FINGER ? YES, HE HAS Trang

Ngày tải lên: 06/12/2016, 15:52

... Trang 2Present TensePresent Continuous Tense Present Perfect Tense Present Perfect Continuous Tense Past Tense Past Continuous Tense Past Perfect Tense Irregular Verbs - LIST Past Participles ... N 16 Trang 19Past Tenseand Present Perfect Both describe past actions. 1. Past Tense - He broke the vase. Present Perfect Tense - He has broken the vase. 2 It describes from the past until now ... O T+ P A S T P A R T I C I P L E Trang 6Perfect Continuous Tense The Present Perfect Continuous Tense is also called the Present Perfect Progressive Tense. 1. 2 It emphasizes the action. I

Ngày tải lên: 29/09/2022, 17:36

... modular approach to show that the only perfectpowers in the Fibonacci sequence are 0, 1, 8 and 144 and the only perfectpowers in the Lucas sequence are 1 and 4 1 Introduction Wiles’ proof of Fermat’s ... results Sections 3 and 4 are concerned with useful preliminaries.Steps (i) and (ii) are treated in Sections 5 and 6, respectively Sections 7 and 8 are devoted to step (iii) Sections 9 and 10 are concerned ... k ≡ ±1 (mod 6). (b) F k = U p and L k = V p for some positive integers U and V The proofs of both Lemmas 5.1 and 5.2 make use of Frey curves and lowering Here and elsewhere where we make use

Ngày tải lên: 06/03/2014, 08:21

... island was estimated at eighty-four thousand; in 1817, one hundred and seventy-nine thousand; in 1827, two hundred and eighty-six thousand; in 1843, four hundred and thirty-six thousand;... ... and had but one destiny "The system of immigration and labor lately organized within the limits of the island, and the tyranny and oppression which characterize its. .. one hundred and ... only an article of creed, but an established fact. The island of Cuba, the largest and richest of the West Indian Islands, and up to the present the most important of Spain's colonial possessions,

Ngày tải lên: 17/03/2014, 20:20

... with for making money I have written and give away these books: • The Art and Science of Obtaining Venture or Angel Investor Capital • How To Prepare and Present a Successful Business Funding ... achieve your goals, create jobs, and be successful I implore you to read and study each of these books and then seek out the help that your business so greatly needs and deserves Don’t go it alone! ... business is a hard road and not an easy one Search your soul If you don't have this kind of character, do yourself and others a favor and don't even start Management Are you a stand alone player,

Ngày tải lên: 23/03/2014, 03:20

... We Are,and What Lies Ahead Dr Axel Rauschmayer The Past, Present, and Future of JavaScript Trang 2The Past, Present, and Future ofJavaScript Axel Rauschmayer Trang 3The Past, Present, and Future ... details. Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc The Past, Present, and Future of JavaScript and related trade dress ... and authors assume no responsibility for errors or omissions, or for damages resulting from the use of the information tained herein. con-ISBN: 978-1-449-33996-8 1342547205 Trang 6The Past, Present,

Ngày tải lên: 24/03/2014, 04:21

... evaluate the past, investigate and think through the present and understand and plan for the future sustainable energy harvesting technologies The key to success is to learn from the past and make ... 1SUSTAINABLE ENERGY HARVESTING TECHNOLOGIES – PAST, PRESENT AND FUTURE Edited by Yen Kheng Tan Trang 2Sustainable Energy Harvesting Technologies – Past, Present and Future Edited by Yen Kheng Tan Published ... in the present to create a novel and attractive future! Topics covered by this book include but are not limited to the following: Past and Present Sustainable Energy Technologies; Review and Challenges,

Ngày tải lên: 19/06/2014, 08:20

... Technologies – Past, Present and Future [...]... emphasises the first important difference between the DEHAR and DD algorithms 22 20 Sustainable Energy Harvesting Technologies – Past, Present ... modelling framework presented in the previous section. In order to do so, meaning must be given to the sets and operations collected in Fig. 2 and Fig. 3. This will provide a succinct presentation of ... each other) and just the physical state is changed. Otherwise, the abstract view of the new computational state is computed and send to the neighbours, and both the computational and the physical

Ngày tải lên: 19/06/2014, 08:20

... Young’s modulus of the cantilever material; w, h and l are the width, thickness and length of the cantilever, respectively m is the inertial mass and m c is the mass of the cantilever The resonant ... direct mechanical force (Leland and Wright, 2006) The energy harvester consisted of a double clamped beam with a mass in the centre The tuning force was compressive and was applied using a micrometer ... capacitive and inductive loads The tuning range is between 57.4 and 66.5Hz However, output power varied with changes of electrical loads 2.5 Vibration energy harvesters with wide bandwidth The

Ngày tải lên: 19/06/2014, 08:20