感官动词或使役动词使用省略to的动词不定式.主动语态中不带to .但变为被动语态时.须加上to . 例:make somebody do something→somebody+ be +made to do something see somebody do something→somebody +be +seen to do something A girl saw my wallet drop when she passed by.→My wallet was seen to drop by a girl when she passed by. The boss made the little boy do heavy work.→The little boy was made to do heavy work by the boss. 被动语态练习 【查看更多】
