There is a mistake in each of these sentences. Underline the mistake and then correct it.
1. It has started raining an hour ago.
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2. I knew Hoa for some months.
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3. We didn't see Nga since Monday.
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4. Lan was in the USA for 2 years.
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5. I have gone to bed at 10 o'clock last night.
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6. They moved to London for 2003.
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7. How long have you learn English?
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8. Peter was ill for a week.
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1. It has started->started raining an hour ago.
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2. I knew->have known Hoa for some months.
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3. We didn't see->haven't seen Nga since Monday.
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4. Lan was->has been in the USA for 2 years.
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5. I have gone->went to bed at 10 o'clock last night.
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6. They moved to London for->in 2003.
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7. How long have you learn->learned English?
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8. Peter was->has been ill for a week.
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1. It has started raining an hour ago.->started
2. I knew Hoa for some months.->have known
3. We didn't see Nga since Monday.->haven't seen
4. Lan was in the USA for 2 years.->have been
5. I have gone to bed at 10 o'clock last night.->went
6. They moved to London for 2003.->in
7. How long have you learn English?->learned
8. Peter was ill for a week.->has been
