牛津译林版必修二高中英语 Unit 3 Festivals and customs 语法专练（情态动词）

A left luggage office is a place where bags be left for a short time, especially at a railway station.

Children under 10 years of age be under adult supervision when entering the museum.

I had meant to attend the party, but my mum simply (not) let me out so late at night.

Tom, you have a bicycle as your your birthday gift if you are good enough.

My mum suggests that we eat out for a change this weekend.

you please switch off the radio? The baby is sleeping.

You (not) play with the knife; you hurt yourself.

No one be more generous; he has a heart of gold.

I go there alone, but he (not) go there by himself.

You be Carol. You haven't changed a bit after all these years.

The doctor recommended that you (not) swim after eating a large meal. 

His failure in the exam suggested that he (not) have followed the teacher's instructions.

The missing children haven't been found yet. Something terrible have happened to them.

I'm glad that you have managed to come, but you (not) have brought wine. We've got plenty.

The school rules state that no child be allowed out of the school during the day, unless accompanied by an adult.

Jean must have kept his promise. I wonder why he changed his idea. 

A computer shouldn't think for itself, it must be told what to do.

Peter can come with us tonight, but he isn't very sure yet.

I've ordered some pizza, so we won't worry about cooking when we get home tired.

Samuel, the tallest boy in our class, shall easily reach the books on the top shelf.

Even in summer the temperature will suddenly drop below freezing.

You mustn't watch the football match if you're not interested in it.

The car might have broken down just when we were about to start off.

He plays basketball very well. He should have practised it a lot.

All the students may do their best for the modernization of our country.

过马路时越小心越好。

You while crossing the road.

她不敢一个人在那条街上走。

She on that street.

那时，放学后，我常常到街角那家书店看书。

I around the corner of the street after school.

他是一个游泳健将，所以当船沉没时他能游到河岸。

He is a good swimmer, so he to the river bank when the boat sank.

包裹整整晚了一周。我多么希望我选择航空邮寄啊。

The parcel was a whole week late. How I wish I ！

很高兴你告诉我昨天的演出取消了。否则的话，我就会白跑一趟了。

I'm glad you told me about yesterday's show being cancelled. Otherwise I all the way for nothing.

Jack是个空谈家，现在应该是采取行动而非夸夸其谈的时候。

Jack is a great talker. It's high time that he instead of just talking.

你本不必亲自来，打一个电话就行了。

You ; a telephone would have been enough

真遗憾！考虑到他的能力和经验，他本来是可以做得更好的。

What a pity! Considering his ability and experience, he .

未经校长允许，任何学生不得离校吃午饭。

No student to have lunch without permission of the headteacher.