`1.` am
`2.` doesn't study
`3.` aren't
`4.` has
`5.` have
`6.` Does she live
`7.` are
`8.` works
`9.` likes
`10.` lives
`11` rains
`12.` fly
`13.` fries
`14.` closes
`15.` tries - don't think
`16.` passes
`17.` is - watch
`18.` writes
`19. `Do you speak
`20.` doesn't live
- Cấu trúc của ĐT tobe:
( + ) S + am/is/are + N/Adj + ...
( - ) S + am not/isn't/aren't + N/Adj + ...
( ? ) Am/Is/Are + S + N/Adj + ...?
- Cấu trúc của ĐT thường:
( + ) S + V(s/es) + ...
( - ) S + don't/doesn't + V(o) + ...
( ? ) Do/Does + S + V(o) + ...?