1.they will come tomorrow if they are not prevented 为什么用if 不
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1.they will come tomorrow if they are not prevented 为什么用if 不用whether
2.we are to perform a new experiment this afternoon 可以把are to perform 换成will be to perform 3.can you tell me whom the dictionary belong to 的whom the dictionary belong to 换成whose dictionary belong to
2.we are to perform a new experiment this afternoon 可以把are to perform 换成will be to perform 3.can you tell me whom the dictionary belong to 的whom the dictionary belong to 换成whose dictionary belong to
1 if的意思是如果,含有假设的意思,引导的是条件状语从句,而whether的意思是是否,通常和not连用,意思是不管是……,所以不能用whether,如果有not的话还可以考虑一下,都没有not,所以都不用看了.
2 不可以,首先will和be to do的意思基本是一样的,合起来用就重复了,在这,this afternoon是一个比较近的时间,而be to do在表示时间远近的时候比will要近,所以用are to perform.
3 当然不可以,whose是一个疑问代词,谁的,而belong to 的意思是属于,首先从意思上看词典应该属于的是一个人,而不是一个代词,汉语说得话也只能说这个词典是谁的或者说这个词典属于谁,其次,belong to 后面应该跟的是somebody,所以不能换.
2 不可以,首先will和be to do的意思基本是一样的,合起来用就重复了,在这,this afternoon是一个比较近的时间,而be to do在表示时间远近的时候比will要近,所以用are to perform.
3 当然不可以,whose是一个疑问代词,谁的,而belong to 的意思是属于,首先从意思上看词典应该属于的是一个人,而不是一个代词,汉语说得话也只能说这个词典是谁的或者说这个词典属于谁,其次,belong to 后面应该跟的是somebody,所以不能换.
1.they will come tomorrow if they are not prevented 为什么用if 不
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