初中英语的变化技巧有哪些

　　一变：肯定句变为否定句

初中英语的变化技巧有哪些

　　【技巧1】当句中含有情态动词或助动词could，would，should等时，可直接在其后面加not构成否定句。例如：

　　I could get you a concert ticket。 I could not / couldnt get you a concert ticket。

　　【技巧2】当句中含有系动词was，were 时，可直接在其后加not构成否定句。例如：

　　I was on the Internet when you called me。 I was not / wasnt on the Internet when you called me。

　　【技巧3】当句中谓语是除情态动词、助动词、系动词was，were以外的动词时，在该动词之前加did not / didnt，动词还原，构成否定句。例如：

　　The famous singer sang some Chinese songs。 The famous singer did not / didnt sing any Chinese songs。

　　二变：陈述句变为一般疑问句

　　【技巧1】移动词语的位置。将was，were，could，would，should等移到句首。例如：

　　He could pack his things himself。 Could he pack his things himself？

　　【技巧2】添加助动词did。谓语是除情态动词、助动词、系动词was，were以外的动词时，在主语之前加did，动词还原。例如：

　　Mr Li looked very old。 Did Mr Li look very old？

　　三变：陈述句变为特殊疑问句

　　【技巧1】确定疑问词：人who / whom，物what，地点where，时间when / what time，原因why，频率how often，长度how long，距离how far等等。例如：

　　They gave the concert last night。 When did they give the concert？

　　【技巧2】辨认结构形式：疑问词+情态动词/助动词/ was / were / did +主语+。？例如：

　　The accident happened near the station。 Where did the accident happen

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