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1、用用when引导时间状语从句的句型结构引导时间状语从句的句型结构搭配搭配was/were doing sth. when-did sth.(正在做正在做某事某事.这时突然这时突然-) I a book when the bell . was/were about to do sth. when-did sth. (正要做某事正要做某事.这时突然这时突然-) We when the telephone . was readingrangwere about to leaverang2021/6/301Hardly- when-No sooner- than- 都表示都表示“刚一刚一就就”，两个用
2、法一样，可以互换。，两个用法一样，可以互换。如果要讲细微区别的话，就是如果要讲细微区别的话，就是hardly .when .更更紧凑一些，意思是紧凑一些，意思是“几乎未来得及做完几乎未来得及做完A这件事，这件事，紧接着就开始做紧接着就开始做B这件事这件事”。 而而no sooner. than意思是意思是“刚做完刚做完A这件事，就做这件事，就做B这件事这件事”。 两两者里面的者里面的hardly, No sooner如果放在句首，都必须如果放在句首，都必须用倒装。用倒装。 这是典型的过去完成时的句子。这是典型的过去完成时的句子。2021/6/302 had we got in the crop
3、s when it began to rain.我们已收完庄稼就开始下雨。我们已收完庄稼就开始下雨。 I had come into the room than the door was closed. 我一进屋门就关了。我一进屋门就关了。 had I got into the room when it began to rain. 我我一进屋门就下雨。一进屋门就下雨。-正语序：正语序：I the room when it began to rain. 我一进屋门就下雨。我一进屋门就下雨。 had I got into the room than it began to rain. 我一进屋门
4、就下雨。我一进屋门就下雨。-正语序：正语序：I the room than it began to rain.我一进屋门就下雨。我一进屋门就下雨。Hardlyno soonerHardlyNo sooner had no sooner got into had hardly got into2021/6/303 It is/has been+时间段时间段 since- did / have has + done 结构中结构中,“自从自从.有多长时间有多长时间”，that-从句通常用过去完从句通常用过去完成时成时,有时也用一般过去时有时也用一般过去时。It is two weeks since
5、I here. She said it was five hours since she her work. It is the first/second/third-time+ that have/has done.(第第.次做某事次做某事) Its the first time I her. 见到她见到她Its the second timeWe there .到这里到这里 camehad finishedhave seenhave been2021/6/304 It the first/second/third-time+ that did / hadhave has + done 结构
6、中结构中,that-从句通常用过去完成时从句通常用过去完成时,有时也用一有时也用一般过去时般过去时,有时若有包括现在在内的时间状语有时若有包括现在在内的时间状语,偶尔还可用偶尔还可用现在完成时：现在完成时：I was lucky because that was the second time I Japan that year.我很幸运我很幸运,那是我那年第二次访问日本那是我那年第二次访问日本.It was the first time this year that he on a Saturday.这是今年来他第一次在星期六不上班这是今年来他第一次在星期六不上班.This is the f
7、irst time I here. 这是我第一次这是我第一次来这里。来这里。Itll be the first time I in public. 这将是这将是我第一次在公共场所演讲。我第一次在公共场所演讲。(had) visited hadnt hasnt worked have beenhave spoken2021/6/305小结：小结：用用when引导时间状语从句的句型结构搭配引导时间状语从句的句型结构搭配1.be about to do sth when 刚要刚要,即将；正要做某事即将；正要做某事,突然发突然发生其他事生其他事2.be doing sth when 正在做某事突然正在
8、做某事突然3.had done sth when 刚刚做过某事突然刚刚做过某事突然4.be at the point of doing sth when 就在做某事的关键时就在做某事的关键时刻突然刻突然5.scarcely.when/hardly.when 几乎未来得及就几乎未来得及就；刚一；刚一就就6.no sooner.than 一一就就1. 我刚要外出就下起了雨。我刚要外出就下起了雨。I was about to go out when it began to rain. 2021/6/3062.我正在做作业他就打电话给我。我正在做作业他就打电话给我。3.他一到学校就下雨。他一到学校就下
9、雨。4.我们一做完试卷就下课。我们一做完试卷就下课。I was doing my homework when he phoned me.No sooner had he got to school than it began to rain.Hardly had he got to school when it began to rain.He had no sooner got to school than it began to rain.He had hardly got to school when it began to rain.No sooner had we finished the papers than class was over.2021/6/307 结束语结束语若有不当之处，请指正，谢谢！若有不当之处，请指正，谢谢！
