S + was/were + V_ing + O. This is _________ ...

[ Past Continuous ]

S + was/were + V_ing + O.
This is _________ form of past continuous tense.

A. Wh- questions (câu hỏi với từ để hỏi)

B. Yes/no questions (Câu hỏi yes/no)

C. Negative sentences (Câu phủ định)

D. Affirmative sentenses (Câu khẳng định)

Select your answer:

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