3000 từ vựng thông dụng

 apart from also aside from especially in NAmE prep...  behaviour BrE NAmE behavior n. behind prep., adv...  better, best good, well between prep., adv...  colour BrE NAmE color n.

 about adv., prep.

 above prep., adv.

 alone adj., adv.

 along prep., adv.

 alongside prep., adv.

 any det., pron., adv.

 anyone (also anybody) pron.

 anything pron.

 anyway adv.

 anywhere adv.

 apart adv.

 apart from (also aside from especially in NAmE) prep.

 apartment n (especially NAmE)

 apologize (BrE also -ise) v.

 behaviour (BrE) (NAmE behavior) n.

 behind prep., adv.

 better, best good, well

 between prep., adv.

 beyond prep., adv.

 bicycle (also bike) n.

 colour (BrE) (NAmE color) n., v.

 coloured (BrE) (NAmE colored) adj.

 down adv., prep.

 downstairs adv., adj., n.

 downwards (also downward especially in NAmE) adv.

 either det., pron., adv.

 enough det., pron., adv.

 last det., adv., n., v.

 late adj., adv.

 later adv., adj.

 like prep., v., conj.

 unlike prep., adj.

 likely adj., adv.

 litre (BrE) (NAmE liter) n (abbr l)

 little adj., det., pron., adv.

 a little det., pron.

 live /la?v/ adj., adv.

 lot: a lot (of) (also lots (of)) pron., det., adv.

 loud adj., adv.

 near adj., adv., prep.

 neither det., pron., adv.

 off adv., prep.

 organize (BrE also -ise) v.

 overall adj., adv.

 plus prep., n., adj., conj.

 skilful (BrE) (NAmE skillful) adj.

 that det., pron., conj.

 the definite article

 trick n., v.

 trip n., v.

 tropical adj.

 trousers n (especially BrE)

 unemployment employment

 unfair, unfairly fair

 until (also till) conj., prep.

 upstairs adv., adj., n.

 well adv., adj., exclamation

 as well (as)

 west n., adj., adv.