be +adj 后面都是加to do吗为什么有to doing
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解决时间 2021-03-31 02:28
- 提问者网友:谁的错
- 2021-03-30 19:56
be +adj 后面都是加to do吗为什么有to doing
最佳答案
- 五星知识达人网友:酒安江南
- 2021-03-30 20:33
be+ adj 后面有加to do和加doing两种情况。追答没有加to doing 的。追问那为啥有be sensitive to doing sth对做某事敏感追答大部分都是用to do。如:
I am happy to do it for you.
It's nice to meet you.
It's important to study English well. 等等。追问具体咋区分加doing还是+to do呢追答加 doing 的是少数。it's useful taking exercise every day.
It's worth making a plan.正因为是少数,我们只有记住那少数的几个形容词就OK了。比如刚才的worth就是。追问为啥be used to doing 还有好几个都是这样的to为介词.具体adj啥时候后加介词呢追答再者,如果句子的主语是it(形式主语),那么后面无论是doing 还是 to do 都是真正的主语。这时,还是用to do的多。用doing的少。仅限于useful,useless,hopeful,hopeless,no use,no good等be used to 作"习惯做⋯"讲时,to是介词,后面用doing。
如作"被用来做⋯"讲,to就不是介词了,to后必须是原形。如:
Tractors are used to plough the fields. 拖拉机被用来耕地。
I am happy to do it for you.
It's nice to meet you.
It's important to study English well. 等等。追问具体咋区分加doing还是+to do呢追答加 doing 的是少数。it's useful taking exercise every day.
It's worth making a plan.正因为是少数,我们只有记住那少数的几个形容词就OK了。比如刚才的worth就是。追问为啥be used to doing 还有好几个都是这样的to为介词.具体adj啥时候后加介词呢追答再者,如果句子的主语是it(形式主语),那么后面无论是doing 还是 to do 都是真正的主语。这时,还是用to do的多。用doing的少。仅限于useful,useless,hopeful,hopeless,no use,no good等be used to 作"习惯做⋯"讲时,to是介词,后面用doing。
如作"被用来做⋯"讲,to就不是介词了,to后必须是原形。如:
Tractors are used to plough the fields. 拖拉机被用来耕地。
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