`1.`

`(-)` Ema didn't study yesterday

`(?)` Did Ema study yesterday?

`2.`

`(-)` He didn't buy a new shirt last week

`(?)` Did he buy a new shirt last week?

`3.`

`(-)` I didn't have dinner at home yesterday

`(?)` Did you have a dinner at home yesterday?

`4.`

`(-)` He didn't get high scores last week

`(?)` Did he get high scores last week?

`5.`

`(-)` Mrs Lần didn't teach music last yesterday

`(?)` Did Mrs Lần teach music last yesterday

`6.`

`(-)` My little brother didn't clean on the floor

`(?)` Did my little brother clean on the floor

`7.`

`(-)` He didn't cut trees yesterday

`(?)` Did he cut trees yesterday

`8.`

`(-)` We didn't stay update last night

`(?)` Did we stay update last night?

`9.`

`(-)` I didn't my homework yesterday

`(?)` Did you do your homework yesterday? 

`10.`

`(-)` They didn't come to my house last month

`(?)` Did they come to my house last month?

`- - - - -`

`***` Thì quá khứ đơn:

`-` Cách dùng: dùng để diễn tả một hành động, sự việc diễn ra và kết thúc trong quá khứ

`-` Công thức:

`(+)` S +  V_2/ed + O

`(-)` S + did not + V-inf + O

`(?)` Did + S + V-inf + O?

`-` Dấu hiệu nhận biết: yesterday, last + ngày/tháng/năm/..., in the past,...

`@ Tp`

`1)` 

`(-)` Ema didn't study yesterday.

`(?)` Did Ema study yesterday?

`2)`

`(-)` He didn't buy a new shirt last week.

`(?)` Did he buy a new shirt last week?

`3)`

`(-)` I didn't have dinner at home yesterday.

`(?)` Did you have a dinner at home yesterday?

`4)` 

`(-)` He didn't get high scores last week.

`(?)` Did he get high scores last week?

`5)` 

`(-)` Mrs Lần didn't teach music last yesterday.

`(?)` Did Mrs Lần teach music last yesterday?

`6)` 

`(-)` My little brother didn't clean on the floor.

`(?)` Did my little brother clean on the floor?

`7)`

`(-)` He didn't cut trees yesterday.

`(?)` Did he cut trees yesterday?

`8)`

`(-)` We didn't stay update last night.

`(?)` Did we stay update last night?

`9)`

`(-)` I didn't my homework yesterday.

`(?)` Did you do your homework yesterday? 

`10)`

`(-)` They didn't come to my house last month.

`(?)` Did they come to my house last month?

`-------`

`@` Quá khứ đơn

`-` Tobe

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

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

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

`-` ToV

`(+)` S + V(ed/bqt)

`(-)` S + did + not + V-inf

`(?)` Did + S + V-inf?