2017年6月大學英語四級語法考點:主語從句

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    1、主語從句可直接位于主語的位置,如果從句較長,謂語又較短,可用it作形式主語,而將從句放在句末。常見的句型有:
    It is a facta pitya questiongood news that...
    It seemsappearshappenedhas turned out that...
    It is clearimportantlikelypossible that...
    It is said eportedestimatedhas been proved that...
    It is said that comic books create a connection between people of the same generation.
    It seems that the performance is very useful.
    2、what引導的主語從句表示“...的東西時”,一般不用it作形式主語。
    What we lack is experience.
    3、what,who,when,why,whether等詞含有各自的疑問意義,但它們引導的主語從句,都用陳述語序。
    How the plan is to be carried out should be discussed again.
    I did know why I felt like crying.