摘要：行为动词型: (1)肯定式:行为动词的过去式.如: I watched TV yesterday evening. 昨晚我看电视了. (2)否定式:didn’t + 行为动词原形.如: I didn’t watch TV yesterday evening. 昨晚我没看电视. (3)疑问式:在句首加Did.其后的行为动词用原形.如: Did you watch TV yesterday evening? 你昨晚看电视了吗?

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