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... used to + V ... 结构︰主词＋used to＋原形动词 说明︰此句型意为以前（常）。等于主词＋would often＋原形动词。这是一种表过去的经验的句构，对比地叙述过去与现在。而would＋原形动词也可表示过去的习惯，但used to ...比would ...规则。 Difficult problems used to take hours of work with pencil and paper. 困难的问题以前总是需要用笔和纸工作数小时。 There used to be a post office there. 以前在那里有一个邮局。 I used to (=would often) go fishing. 我以前常去钓鱼。 We used to hear the train whistle at night. 过去我们常会在晚上听到火车的汽笛声。 He would sit for hours doing nothing. 他常常什么也不做，一坐就是好几小时。 ... would like to V ... 结构︰主词＋would like＋（sb.）＋to＋原形动词 说明︰此句型意为想要。would like 是一种表示意愿的动词，后接不定词 to 引导的原形动词。should like to ...虽有同样的意思，但较少用于第2，3人称。 Would you like to have a look at the picture? －- Yes, I should very much like to. 你想瞧瞧这画吗？－－是的！很想！ I would like to take a trip around the world toward the end of this year. | 
