quá khứ đơn

cảm ơn mn

`2`  Were 
`3` bought 

`=>` động từ bất quy tắc: buy `->` bought
`4`  cried

`=>` tận cùng là "y" `->` "i" `+` "ed"
`5`  could swim 
`6`  prepared

`=>` prepared: chuẩn bị bữa tối
`7` ate

`=>` động từ bất quy tắc : eat `->` ate
`8` Did you sit
`9` were 
`10`  missed

_______________________

`1` Did

`2`  didn't

`3`  Were

`4`  Was

`5` did 

`6` Did

----------------------------------------------

`@` QKĐ:

`(+)`  S `+` was/were `+` Adj/ N/ ...

`(+)` S `+` V2/V`-`ed`+`O

`(-)` S `+` was`/`were`+`not`+` Adj`/` N `/` ..

`(-)` S`+` didn't `+` V0 `+`O

`(?)` ( Wh`-`words) `+`was`/`were`+`S`+`Adj`/` N/..?

`(?)` (WH`-`words ) `+`did`+`S `+` V`-`inf`+`O?

`2.` Were you

`3.` bought

`4.` cried

`5.` could swim

`-` can/could do sth : có thể làm gì

`6.` prepared

`7.` ate

`8.` Did you sit

`9.` were

`10.` missed

Exercise `4`:

`1.` Did

`2.` didn't 

`3.` Was

`4.` was

`5.` did

`6.` Did

`______________________`

`***` QKĐ:

`+` Tobe:
`(+)` S + was/were + N/adj

`(-)` S + was/were + not + N/adj

`(?)` Was/were + S + N/adj?

`*` I/ he / she / it / DTSI + was

`*` you / we / they / DTSN + were

`+` Verb:
`(+)` S + V2/ed + O
`(-)` S  + didn't +  V_inf + O

`(?)` Did + S +  V_inf + O?
`-` DHNB: last + week/month/... , yesterday, ago , ...