线话英语语法之： be+被动不定式

线话英语语法之：BE+被动不定时。注意，这是高考经常会出现的考点哦。

根据语意的需要，“be+不定式”结构中不定式可能用被动式。如：

The cover is not to be removed. 这块盖布请勿揭开。 CopyRight .com

This medicine is to be taken hourly. 这药每小时服一次,英语书面语。 内容来自

The cost of carriage is to be paid by the receiver. 运费由收货人支付。 CopyRight .com

She will determine how it is to be done. 她会决定这件事的做法。

A little tiredness after taking these drugs is to be expected. 服下这些药后会有些疲乏。