bài tập trắc nghiệm thì quá khứ tiếp diễn

I saw the accident when I _______ for the taxi.

• were waiting

• was waiting

• waiting

• waited

What .................... when I phoned?

• was you doing

• did you do

• were you doing

• do you do

While people were talking to each other, he ......................................... his book.

• was reading

• is reading

• read

• reads

While we ................................. in the park, Mary fell over.

• ran

• are running

• was running

• were running

______ I was listening to music, I heard the doorbell.

• When

• While

• If

• Because

Công thức của thì quá khứ tiếp diễn dạng khẳng định là gì?

• S + was/were + V_ing.

• S + am/is/are + V_ing.

• S + was/were + V.

• S + was/were + V_ed.

Công thức thì quá khứ tiếp diễn dạng phủ định là gì?

• S + was/were not + V.

• S + was/were not + V_ing.

• S + was/were + V_ing.

• S + was/were not + V3.

Công thức thì quá khứ tiếp diễn dạng nghi vấn là gì?

• (Wh) was/were + S + V?

• (Wh) + S was/were + V_ing?

• (Wh) was/were + S + V3?

• (Wh) was/were + S + V_ing?

Câu trả lời dạng ngắn của thì quá khứ tiếp diễn cho câu nghi vấn không có từ để hỏi là gì?

• Yes, S + do/does - No, S + don't/doesn't

• Yes, S + did - No, S + wasn't/weren't

• Yes, S + were/was - No, S + wasn't/weren't

• Yes, S + were/was - No, S + didn't.

Trong thì quá khứ tiếp diễn, các chủ ngữ nào đi với "was"?

• I, he, she, it, Mary

• he, she, it, Tom and Jane

• I, he, she, it, they

• I, he, she, you,