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as soon as/ hardlywhen/ no soonerthan Ⅰ. 三者在意义上基本相同，都有一就，刚就，但它们各有其特点。 Ⅱ. as soon as 最为普通，位置灵活，可在主句前，也可在其后。且可用作多种时态。如： ① As soon as I went in , Kate let out a cry of surprise. 我一进去，凯特就惊讶地叫了一声。 ② Ill tell him as soon as he comes back. Ⅲ. hardly when的主句通常 用过去完成时，从句用一般过去时，when有时还可换成before.如： ① He had hardly finished his homework when the light went out. 他刚写完作业灯就灭了。 ② Hardly had I come back when they began quarrelling.我一回来他们就开始吵了起来。（hardly 提前时，句子需要倒装。） Ⅳ. no soonerthan句型中， no sooner一般只置于句首，所以主句有倒装形式。如： No sooner had I known the news than I telephoned my mother. 我刚知道这个消息就打电话告诉了妈妈。 as well as/ as well Ⅰ. as well as 也不仅而且意同：not onlybut also具有连词性。 ① She is my friend as well as my doctor. 他不仅是我的医生，也是我的朋友。 ② Small towns as well as big cities are being industrialized. 小城市与大城市一样都在迅速实现工业化。 | 
