` 1`. were

` -` QKĐ tobe : S + was/were + ...

` -` Số nhiều ` ->` were

` 2`. didn't go/was

` -` QKĐ : S + didn't + V-inf + ...

` -` QKĐ tobe : S + was/were + ...
` -` Số ít ` ->` was

` 3`. does she have/has

` -` HTĐ : Do/does + S + V-inf + ...?

             : S + V-inf/es/s + ...

` -` Chủ ngữ số ít ` ->` has

` 4`. is running

` -` DHNB : Be careful

` -` HTTD : S + is/am/are + V-ing + ...

` -` Chủ ngữ số ít ` ->` is

` 5`. to play

` -` Would like to do sth : thích làm gì không

` 6`. Is she cooking/is dancing

` -` HTTD : Is/am/are + S + V-ing + ...?

               : S + is/am/are + V-ing + ...

` -` Chủ ngữ số ít ` ->` is

` 7`. ride

` -` can + V-inf : có thể làm gì

`1,` were

- DHNB : yesterday -> QKĐ

- There were + Danh từ số nhiều

`2,` didn't go - was

- DHNB : yesterday -> QKĐ

- KĐ : S + was/were + O

- PĐ : S + didn't + Vbare-inf ...

`3,` does ... have - has

- DHNB : often -> HTĐ

- NV : Do/does + S + Vbare-inf ...

- KĐ : S + V-s/es/inf ...

`4,` is running

- DHNB : Be careful! -> HTTD

- KĐ : S + am/is/are + V-ing ...

`5,` to play

- Would you like + to V ... ? Bạn có muốn ... ?

`6,` Is ... cooking - is dancing

- DHNB : at present -> HTTD

- NV : Am/is/are + S + V-ing ... ?

- KĐ : S + am/is/are + V-ing ...

`7,` ride

- can do sth : có thể làm gì