`-` Thì QKĐ :

`+` KĐ : S + Ved / V2 `-` S + was / were + adj / n

`+` PĐ : S + didn't + V `-` S + wasn't / weren't + adj / n

`+` NV : Did + S + V ? `-` Was / Were + S + adj / n ?

`1`.

`( - )` Nam didn't write an essay in Literature class this morning ?

`( ? )` Did Nam write an essay in Literature class this morning ?

`2`.

`( - )` I didn't watch TV yesterday morning

`( ? )` Did you watch TV yesterday morning ?

`3`.

`( - )` Nam and you weren't in the English club last Tuesday

`( ? )` Were Nam and you in the English club last Tuesday ?

`4`.

`( - )` They didn't eat noodles two hours ago

`( ? )` Did they eat noodles two hours ago ?

`5`.

`( - )` We didn't always have a nice time on Christmas holiday in the past

`( ? )` Did you always have a nice time on Christmas holiday in the past ?

`6`.

`( - )` My father didn't decorate the Christmas tree

`( ? )` Did your father decorate the Christmas tree ?

`7`.

`( - )` She didn't buy a new dress yesterday

`( ? )` Did she buy a new dress yesterday ?

`8`.

`( - )` They weren't late for school

`( ? )` Were they late for school ?

`9`.

`( - )` Mr.Tam didn't take his children to the museum last Sunday

`( ? )` Did Mr.Tam take his children to the museum last Sunday ?

`10`.

`( - )` Hoa didn't make a cushion for her armchair

`( ? )` Did Hoa make a cushion for her armchair ?

`\text{# TF}`

`-` Cấu trúc thì QKD: 

`-` Với V thường: 

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

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

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

`-` Với tobe:

`( + )` S (số ít + I, he,she,it) + was + N/adj/... + O

S (số nhiều + you, we, they) + were + N/adj/... + O

`( - )` S (số ít + I, he,she,it) + wasn't + N/adj/... + O

S (số nhiều + you, we, they) + weren't + N/adj/... + O

`( ? )` Was + S (số ít + I, he,she,it) + N/adj/... + O? 

Were + S (số nhiều + you, we, they) + N/adj/... + O?

`1. ( - )` Nam didn't write an essay in Literature class this morning. 

`( ? )` Did Nam write an essay in Literature class this morning?

`2. ( - )` I didn't watch TV yesterday morning.

`( ? )` Did you watch TV yesterday morning?

`3. ( - )` Nam and you weren't in the English club last Tuesday.

`( ? )` Were Nam and you in the English club last Tuesday?

`4. ( - )` They didn't eat noodles two years ago.

`( ? )` Did they eat noodles two years ago?

`5. ( - )` We didn't always have a nice time on the Christmas holiday in the past.

`( ? )` Did you always have a nice time on the Christmas holiday in the past?

`6. ( - )` My father didn't decorate the Christmas tree.

`( ? )` Did your father decorate the Christmas tree?

`7. ( - )` She didn't buy a new dress yesterday.

`( ? )` Did she buy a new dress yesterday?

`8. ( - )` They weren't late for school.

`( ? )` Were they late for school?

`9. ( - )` Mr. Tam didn't take his children to the museum last Sunday. 

`( ? )` Did Mr. Tam take his children to the museum last Sunday?

`10. ( - )` Hoa didn't make a cushion for her armchair.

`( ? )` Did Hoa make a cushion for her armchair?