【小编寄语】今天英语网小编教给同学们的是动词不定式作主语的用法,一起来学习下吧!祝同学们学习进步! 一、不定式等非谓语形式作主语时,谓语动词一路走来都是单数身份;不少作主语的不定式与动名词在意义上相同。如: To see is to believe. = Seeing is believing. 眼见为实。 二、口语中,当作主语的不定式过长时,it不惜屈居有名无实的形式主语,常为平衡关系而挺身而出、替主出征,"真主角"反无官一身轻,悠哉断后。如: To learn a foreign language well is not easy.→ It's not easy to learn a foreign language well. 要把一门外语学好不容易。 To play football is very interesting. → It's very interesting to play football. 踢足球很有趣。 留言提醒:在实际操作中,不定式(短语)还有权"招聘"一个逻辑主语,并由of / for出面"料理"--It's + adj. + for / of sb. + to do sth.,下例中的"for me"即是: It's hard for me to finish the task in such a short time. 对我而言,要在如此短的时间里完成任务是困难的。 聘of还是for?点击作表语的形容词属性可知:若形容词描述的是人的特征与品行,能修饰人(像kind, nice, good, clever, right, polite, careless等),则"of适宜";如果形容的是事物的特点或外观等(如easy,hard / difficult, safe, interesting, important,necessary之类),则"for主动上"!下例"正误"可略见一斑: |