sang NV,PN
1 We studied a very hard lesson yesterday.
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2 We have studied alonost every lesson in this book so far.
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3 We have never watched that television program.
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4 My wife and I have traveled by air many times in the past.
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5 I have read that novel by hlning wey several times before.
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6 I had a little trouble with my car last week.
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7 I have had no trouble with my car since than.
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8 He watched an interesting program on television at night.
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9 I have seen an elephant several times.
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10 petter played football yesterday
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1 We studied a very hard lesson yesterday.
(-) We didn't study a very hard lesson yesterday.
(?) Did we study a very hard lesson yesterday ?
2. We have studied almost every lesson in this book so far.
(-) We haven't studied almost every lesson in this book so far .
(?) Have you studied every lesson in this book so far?
3. We have never watched that television program.
(-) We haven't never watched that television program.
(?) Have you ever watched that television program?
4. My wife and I have traveled by air many times in the past.
(-) My wife and I haven't traveled by air many times in the past..
(?) Have you traveled by air many times in the past?
5. I have read that novel by Hening Wey several times before.
(-) I haven't read that novel by Hening Wey several times before.
(?) Have you read that novel by Hening Wey several times before?
6. I had a little trouble with my car last week.
(-) I didn't have a little trouble with my car last week
(?) Did you have any trouble with my car last week?
7. I have had no trouble with my car since then. ( sao có have had luôn v?)
(-) I haven't had no trouble with my car since then
(?) Have you had any trouble with my car since then?
8. He watched an interesting program on television at night.
(-) He did watch an interesting program on television at night.
(?) Did he watch an interesting program on television at night?
9. I have seen an elephant several times.
( - ) I haven't seen an elephant several times.
( ? ) Have you seen an elephant several times?
