非谓语动词作主语时谓语用单数.但是如果是两个并列的就象是两个名词并列时候就用复数了.给你两个例子吧
To learn english well,listening is very important.
listengling作主语,动词用is
To learn Enlish well,listening and speaking are very important.
这句话中主语是listening和speaking,所以用了动词are
动名词做主语谓语动词单复数给下所有的情况,并且给下例句
非谓语动词作主语时谓语用单数.但是如果是两个并列的就象是两个名词并列时候就用复数了.给你两个例子吧
To learn english well,listening is very important.
listengling作主语,动词用is
To learn Enlish well,listening and speaking are very important.
这句话中主语是listening和speaking,所以用了动词are