they think it is a waste of time to do it now能不能改成they think it a waste of time to do it now为什么

问题描述:

they think it is a waste of time to do it now能不能改成they think it a waste of time to do it now
为什么

可以的。
前者是宾语从句,后者是宾语加宾补。
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is 是be动词

不行,只能用宾语从句they think it is a waste of time to do it now,they think it a waste of time to do it now中think不能接双宾语,所以说是错的.

完全可以。
they think it is a waste of time to do it now it是形式主语 to do it now 真正主语
a waste of time 表语
they think it a waste of time to do it now it做形式宾语, to do it now..真正宾语
a waste of time宾语补足语