2017年6月大學(xué)英語四級語法考點:表語從句

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    表語從句出現(xiàn)在結(jié)構(gòu)為“主語+系動詞+表語從句”的句子中。表語從句除可用that,what,when,why,whether,how等引導(dǎo)外,還可由because,as if(though)等引導(dǎo)。that常可省略。如主句主語為reason,只能用that引導(dǎo)表語從句,不可用because.
    Perhaps the most important thing to remember is that there is no one common type of life in America.
    The reason why so many people died there is that there were not enough food supplies.
    It looks as if successful international cultural communication will make the world smaller.