My uncle went to Canada last night.I saw a TV show yesterday evening.

My uncle went to Canada last night.
否定句 My uncle didn't go to Canada last night.
一般疑问句：Did your uncle go to Canada last night?
肯定回答：Yes,he did.
否定回答：No,he didn't.
I saw a TV show yesterday evening.
否定句：I didn't see a TV show yesterday.
一般疑问句：Did you see a TV show yesterday?
肯定回答：Yes,I did.
否定回答：No,I didn't.
Tim wrote aletter to his parents last night.
否定句：Tim didn't write a letter to his parents last night.
一般疑问句：Did Tim write a letter to his parents last night?
肯定句：Yes,he did.
否定句：No,he didn't.
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