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is后面加什么动词什么形式

回答
瑞文问答

2021-08-24

is后面的动词一定要用ing,但是也要具体情况具体分析的,当为be+to do 为将要做某事,或是祈使句。
例句:
Where is Sophy? Is she safe?
索菲在哪儿?她没受到伤害吧?
He is an asthmatic who is also anaemic.
他是一个哮喘病人,并且还贫血。

扩展资料

  Eight hours on a bus is no joke, is it.

  坐8个小时的公交车可不是闹着玩儿的',对吧。

  He is in no doubt as to what is needed.

  他对需要些什么心中有数。

  It is a country where corruption is rife.

  这是个腐败成风的国家。