`1.` wasn't `=>` didn't

`2.` are `=>` did

`3.` does `=>` did

`4.` was `=>` did

`5.` studies `=>` studied

`6.` got `=>` get

`7.` is `=>` was

`->` DHNB`:`last time`,` last week`,` yesterday`,` last evening`,...`

`->` Form`:` `(+)` S`+`was/were`+...`           `/`  S`+`$V_{ed}$`/`$V_{2}$

                   `(-)` S`+`was/were`+`not`+...`  `/`  `(-)` S`+`didn't+$V_{0}$`+...`

                   `(?)` Was/were(not)`+`S`+... `  `/`  `(?)` Did`+`S`+`$V_{0}$`+...`

`->` Form`:` S`+`used to`+`V_{0}$`:` Diễn tả một thói quen trong quá khứ nhưng giờ không còn

#`Darmon`

`1.` wasn't `=>` didn't

`2.` are `=>` did

`3.` does `=>` did

`4.` was `=>` did

`5.` studies `=>` studied

`6.` got `=>` get

`7.`  is `=>` was

`=>` `BHND :` last time, last week, last evening, yesteday.

`=>` Cấu trúc : 

Với động từ thường :

`( + )` S + Ved/V2 + O

`( - )` S + didn't + `V_0` + O

`( ? )` Did + S + `V_0` + O?

Với động từ tobe :

`( + )` S + was/were + O

`( - )` S + was/were-not + O

`( ? )` Was/Were + S + O?

`=>` used to + Vinf : diễn tả việc đã làm trong quá khứ nhưng bây giờ không còn làm ( đã từng làm )

`- - - - --   ---`

$\text{@Tnhye@}$