`1.` have been learning (bị động)
`2.` didn't work/wasn't
`3.` want to pass, must study
`4.` sent
`5.` was/thought/have learnt
`6.` went/hadn't enjoyed
`7.` was doing/met
`8.` noticed/was
`9.` have/had had
`10.` am revising
`11.` have already begun
`12.` think/should do
`13.` is/isn't
`14.` pass/will start
`15.` will go
`16.` can see/have become
*Cấu trúc thì hiện tại tiếp diễn:
S + am/is/are + `V_(\text(ing))`+....
`+)`S + have + been + `V_(\text(ing))` (hiện tại hoàn thành)
`-`Thì tương lai đơn:
`+)` ĐT "tobe": S + will + be + N/Adj
`+)` ĐT thường: S + will + V(nguyên thể)