$\text{Cấu trúc thì Quá Khứ Đơn (Past Simple):}$

$\textit{*Đối với Động Từ Tobe:}$

(+) S + was/ were + N/Adj

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

(?) Was/Were+ S + N/Adj?
=> Yes, S + was/were.
=> No, S + wasn’t/weren’t

$\textit{*Đối với Động Từ Thường:}$

(+) S + V-ed

(-) S + did not/ didn't + V_infinitive

(?) Did + S + V_infinitive?
=> Yes, S + did.
=> No, S + didn’t

$\text{*Answer}$

$\text{1)}$

(-) They didn't go to Nha Trang last month.

(?) Did they go to Nha Trang last month?

$\text{2)}$

(-) He didn't play table tennis with his father.

(?) Did he play table tennis with his father?

$\text{3)}$

(-) Lan didn't see you in the park last week

(?) Did Lan see you in the park last week?

$\text{4)}$

(-) We weren't in the countryside last summer.

(?) Were we in the countryside last summer?

$\text{5)}$

(-) Mr. Robinson didn't buy a poster.

(?) Did Mr. Robinson buy a poster?

$\text{6)}$

(-) Liz didn't enjoy her vacation in Da Lat last year.

(?) Did Liz enjoy her vacation in Da Lat last year?

$\text{7)}$

(-) Her aunt didn't give her a new skirt.

(?) Did her aunt give her a new skirt?

$\text{8)}$

(-) He wasn't in our class two hours ago.

(?) Was he in our class two hours ago?

Học Tốt!
$\text{#SunHee}$

Công thức thì Quá khứ đơn :
`(+) S+Ved//Vbqt+O`

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

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

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

`1.`

(-) They didn't go to Nha Trang last month

(?) Did they go to Nha Trang last month?

`2.` 

(-) He didn't play table tennis with his father

(?) Did he play table tennis with his father?

`3.` 

(-) Lan didn't see you in the park last week

(?) Did Lan see you in the park last week?

`4.`

(-) We weren't in the countryside last month

(?) Were we in the countryside last month?

`5.`

(-) Mr Robinson didn't buy a poster.

(?) Did Mr Robinson buy a poster?

`6.` 

(-) Liz didn't enjoy her vacation in BL last year

(?) Did Liz enjoy her vacation in BL last year?

`7.`

(-) Her aunt didn't give her a new skirt

(?) Did her aunt give her a new skirt?

`8.` 

(-) He wasn't in our class two hours ago

(?) Was he in our class two hours ago?