Focus of present perfect 1 ppsx

... a new 100-watt bulb; this one ________ ________ yesterday. 10. FOCUS ON: phrasal verbs used as nouns, 1 Many two-word phrasal verbs can be used as nouns. All the verbs in this section have a ... any longer, and she asked him for morphine. 9. FOCUS ON: two-word phrasal verbs that require an additional particle when used with an object, 1 With some two-word verbs you...

Ngày tải lên: 01/11/2013, 12:20

Ngày tải lên: 02/07/2014, 18:20

... role in systemic complications of obesity is an area of active investigation. Definition and Measurement Obesity is a state of excess adipose tissue mass. Although often viewed as equivalent ... measure of adiposity, the most widely used method to gauge obesity is the body mass index (BMI), which is equal to weight/height 2 (in kg/m 2 ) (Fig. 74 -1). Other approaches to q...

Ngày tải lên: 07/07/2014, 01:20

... somewhere before. somewhere before. 19 Review of the past simple, continuous and perfect 20 The past perfect continuous 19 Exercises 1 Past simple, continuous and perfect (A-D) Look at these sentences ... For irregular past participles see page 383. C Present perfect and past perfect Compare these examples. PRESENT PERFECT (before now) PAST PERFECT (before th...

Ngày tải lên: 09/08/2014, 07:22

... done? (Unit 17) PRESENT PERFECT CONTINUOUS PRESENT PERFECT We use the present perfect continuous for an We use the present perfect simple for a complete action over a period of time leading ... past. PAS! PERFECT CONTINUOUS PAST PERFECT We use the past perfect continuous for an action We use the past perfect simple for a complete over a period of time. We are...

Ngày tải lên: 09/08/2014, 07:22