`2`.Did you complete your homework before class ?

`\rightarrow` Question ( QKĐ `/` NV ) : Did + S + V ?

`\rightarrow` Reply : Yes , S + did / No , S + didn't

`3`.Were you at the party last night ?

`\rightarrow` Question ( QKĐ `/` ĐT Tobe - NV ) : Was / Were + S + adj / n ?

`\rightarrow` Reply : Yes , S + was / were `-` No , S + wasn't / weren't

`4`.What time did the party end yesterday ?

`\rightarrow` Thì QKĐ ( NV ) : Did + S + V ? ( `4 , 5` )

`\rightarrow` What time dùng để hỏi về giờ

`5`.What did you do at the party ?

`\rightarrow` What dùng để hỏi về cái gì

`\text{# Kirigiri}`