用系动词turn、seem、become造句

turn
When do leaves turn yellow?
They turn yellow in Autumn.
Why did his face turn red yesterday?
His face turned red because he met that beautiful girl.
seem
What happened there?
It seemed that a boy had been killed by someone.
What's the weather like today?
It seems as if it is going to rain.
become
How is your English?
The course is becoming more and more difficult.
Do you feel cold?
Yes,it becomes colder and colder as time goes by.
造句的时候并不一定要严格按照你所给出的例句,因为系动词很多时候都不用于疑问句中,而是直接用于回答或者陈述中.

The wheel of history cannot be turned back.
历史的车轮不能倒转。
She turned the key in the lock.
她用钥匙开锁。
He seems (to be) quite happy.
他似乎十分快乐。
I seemed to hear a voice in the distance.