62 动词不定式逻辑主语和否定词的位置

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.