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The boy was seen to run by me yesterday为什么加to

2020-06-27

The boy was seen to run by me yesterday为什么加to

优质解答

see,watch,notice,observe,look at,hear,listen to,make,let,have +sb +do sth句型是主动句,不定式省略to,但改为被动语态时,原来省略的to要还原.
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