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1.stop to do sth. 和stop doing sth. “stop to do sth.” 表示停止做其它事情而去做“to do sth.”所表示的事情，可以将“to do sth.”理解成“stop”的目的状语：“stop doing sth.”表示不做“doing sth.”所表示的事情。 例如：“Stop talking. Let's begin our class.”said the teacher. 老师说：“别说话了，让我们开始上课。” We have kept doing our homework for a long time. Let's stop to listen to music. 我们做家庭作业很长时间了，让我们停下来听听音乐。 2.have sth. done.(过去分词)(让别人)做某事 例如：I had my hair cut yesterday afternoon. 我昨天下午理了发。 My computer can not work now. I must have it repaired. 我的电脑有故障了，我必须让人修好它。 3.forget to do sth.和forget doing sth. (remember to do sth. 和remember doing sth.) “forget to do sth.”表示将来不要忘记做某事，谈的是未来的事情：“forget doing sth.”表示忘记过去应该做的事情。 例如：“Don't forget to do your homework.”said the teacher before the class was over. 老师在下课前说：“不要忘记做家庭作业。” “I'm sorry. I forgot doing my homework. May I hand it in this afternoon，Mr. Chen?”said Li Ming. 李明说：“对不起，我忘记做家庭作业了。我今天下午交好吗，陈老师?” 4. 感官动词后接不带to的不定式或者现在分词的区别 例如：see sb. do sth.看见某人(经常)做某事 和see sb. doing sth.看见某人(正在)做某事 I often see him do exercise in the morning. 我经常在早晨看见他锻炼身体。 When I was walking in the park，I saw him drawing a picture there. 当我在公园散步的时候，我看见他正在那里画画。 5. 介词后面一般接动名词。同学们要特别注意介词to和不定式符号to的区别，例如下面的词组一定要记清： (责任编辑：admin) |