Correct the tense in these sentences.
1. I have collected coins when I was a little boy.
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2. I see a real elephant when I went to Ban Don last year.
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3. We clean the beach last Sunday.
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4. I didn’t see her for two weeks.
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5. Do you do your homework yet?
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1. I collected coins when I was a little boy.
2.I saw a real elephant when I went to Ban Don last year.
3. We cleaned the beach last Sunday.
4.I haven't seen her for two weeks.
5. Have you done your homework yet?
1. I collected coins when I was a little boy.
2. I saw a real elephant when I went to Ban Don last year.
3. We cleaned the beach last Sunday.
4. I haven’t seen her for two weeks.
5. Have you done your homework yet ?