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第二节感官动词、使役动词的用法及英语中常考的两个句式结构

一、感官动词的用法及其被动语态:在英语中,常见的感官动词有“五看二听一感觉”(see、watch、look、notice、observe;hear、listen to、feel),在主动语态中用动词原形或现在分词作宾补,如see sb do/doing sth,改为被动语态时则要加to,如sb be seen to do sth.

二、使役动词的用法及其被动语态:在英语中,常见的使役动词有make、let、have,在主动语态中用动词原形做宾补,如make sb do sth,改为被动语态时则要加to,如sb be made to do sth,两种形式都表示使/让某人做某事的意思。例:We were made to study hardy.我们被要求努力学习。

三、英语中常考的句式结构一:sth need/ want/ require doing 某物需要?(=sth need/want/require to be done)(此句式主语为物)例:My room is a mess. It needs tidying up(整理)。

四、英语中常考的句式结构二:have/get sth done 请/让别人做某事(have/get后接宾语为物)

例:I have taken many photos. I‘m going to get the filmdeveloped. 五、情态动词的被动语态,其构成为:情态动词+be+过去动词。例:The work must be finished before lunch. 这项工作必须在午饭前干完。

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