He is reading book now
–
?
Yes. No
He has read books severatime
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?
Yes. No
He read book yesterday
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?
Yes. No
They were watching flim at 8.pm yesterday
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?
Yes. No
She had finished her home work be fore 8 pm yesterday
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?
Yes. No
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(-) He isn’t reading book now.(?) Is he reading book now?Yes, he is.No, he isn’t.* Thì Hiện tại tiếp diễn:-> Diễn tả hành động đang diễn ra tại thời điểm nói.(+)S + am/is/are + V-ing + …(-) S + am/is/are + not + V-ing + …(?)(WH-word) + am/is/are + S + V-ing + …?-> Yes, S + am/is/are.-> No, S + am/is/are + not.———-(-) He hasn’t read books several times.(?) Has he read books several times?Yes, he has.No, he hasn’t.* Thì Hiện tại hoàn thành :-> Diễn tả hành động đã xảy ra trong quá khứ nhưng vẫn tiếp diễn ở hiện tại, thậm chí tương lai.(+) S + have/has + Vpp(-) S + have/has + not + Vpp(?) (WH-word) + have/has + S + Vpp?-> Yes, S + have/has.-> No, S + have/has + not.————(-) He didn’t read book yesterday.(?) Did he read book yesterday?Yes, he did.No, he didn’t.* Thì Quá khứ đơn :@ Verb :(+) S + Ved/ V2(-) S + did not/ didn’t + V (bare)(?) (WH-word) + did + S + V (bare) ?-> Yes, S + did/ No, S + didn’t.———-(-) They weren’t watching flim at 8.pm yesterday.(?) Were they watching flim at 8.pm yesterday?Yes, they were.No, they weren’t.* Thì Quá khứ tiếp diễn-> Diễn tả hành động đang diễn ra tại 1 thời điểm cụ thể trong quá khứ( + ) S + was/ were + V-ing(-) S + was/were + not + V-ing(?) (WH-word) + was/ were + S + V-ing?-> Yes, S + was/ were.-> No, S + was/ were + not.———–(-) She hadn’t had finished her homework before 8 pm yesterday.(?) Had she finished her homework before 8 pm yesterday?Yes, she had.No, she hadn’t.* Thì Quá khứ hoàn thành:(+) S + had + PII.(-) S + had not/ hadn’t + PII.(?) Had + S + PII?-> Yes, S + had.-> No, S + had not/ hadn’t.