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主谓一致的总结与探究:从句作主语,
从句作主语
从句作主语时,主句的谓语动词要用单数形式。
例:1991年6月四级第69题
How close parents are to their children ________ a strong influence on the character of the children.
A) have B) has C) having D) to have
"How …to their children"是一个有主谓结构的句子形式,作整个句子的主语;空格处应当是主句的谓语动词。所以答案是B) has。选项C) having和D) to have中的having和to have都不能单独作谓语
,主谓一致的总结与探究:从句作主语