It`s enough to make her very happy中 to make her very happy是什么成分

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It`s enough to make her very happy中 to make her very happy是什么成分

形式主语

it 在句中是形式主语,真正的主语是后面的 to make her very happy。 英语当中经常会有这种用法,比如说,it is not hard to improve your english。为的是避免出现头重脚轻的现象。

主语
此句型为it+be+形容词+for sb to do sth