因为只有D后面接了不定式to
这句的谓语是will do,后面如果再出现别的动词,一定要加动词不定式的.
I'll do all I can do to help you.
all是宾语,I can do是宾语补足语,其实句子的主干就是I'll do all to help you.
因为只有D后面接了不定式to
这句的谓语是will do,后面如果再出现别的动词,一定要加动词不定式的.
I'll do all I can do to help you.
all是宾语,I can do是宾语补足语,其实句子的主干就是I'll do all to help you.