不明示逻辑主语
She went to the airport to meet her friends.
It is difficult to find a good job.
His dream is to become a movie star.
I want you to clean up this mess.
He promised me to send a postcard from Hawaii.
明示逻辑主语
It is necessary for you to see a doctor.
It is kind of you to show me around the town.
It is difficult for me to solve the problem.
It was a mistake for the government to carry out the plan.
I want my father to stop drinking so much.
否定词的位置
He promised not to be late again.
I studied hard in order not to fail the exam.
The doctor warned my father not to smoke.
My sister makes it a rule never to eat between meals.
Capricious_bq
快要听睡着了
听友188188337 回复 @Capricious_bq：
挺好的吖，我觉得
青山隐_01
不能头to. not smoke 吗
吴飛霖 回复 @青山隐_01：
理解为外国人的怪招！中文怪招如，救火车！
Enjoy_1p 回复 @青山隐_01：
呵呵，你钻到牛角尖了
胖_3p
非常好