1. The children _______( plant ) the trees in the garden now 2. Hoa ____________ ( cook ) the meal now 3. We_______ (do ) our homework now 4. I __________ (drive ) a car at that time 5. My parents _________ in the hospital ( work ) 6. Listen ! The baby ________(cry) 7. Hoang ___________dinner at present (have)

$(+)$ S + is/am/are + Ving

$(-) $S + is/am/are not + Ving

$(?)$ Is/Am/ Are + S + Ving

Trạng từ đi kèm: at this/that time ;now;  at present .

`->` Listen!

1.are planting

`->` Children là số nhiều của từ child nên dùng are.

2.is cooking

3.are doing

4.am driving

5.are working

`->` parents có s là danh từ số nhiều nên sử dụng are.

6.is crying

7.is having

`1` are planting

`2` is cooking

`3` are doing

`4` am driving

`5` are working

`6` is crying

`7` is having

Giải thích

Áp dụng cấu trúc thì HTTD , ta có

`(+)` S + am/is/are + V-ing

`(-)` S + am/is/are + not + V-ing

`(  ?  )` Am/is/are + S + V-ing ?