1 Did your mother prepare the dinner ?
+) my mother prepared the dinner
Cấu trúc : S + Ved/V2 + O.
-) my mother didn't prepare the dinner
Cấu trúc : No, S + didn’t+Vo+O
2 Did the cleaner finish cleaning
(+) the cleaner finished cleaning.
Cấu trúc : S + Ved/V2 + O.
(-) the cleaner didn't finish cleaning
Cấu trúc : S + didn't + Vo + O
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