用was,were,did组成一般过去时的句子每个三个以上

was:
She was a great woman.
when i was young, i like playing in the garden with my friends.
he was scared when the cat appeared suddenly.
the girl was only 2 years old when she got the medal.

were:
they were happy when they heard the news
at that time, the classmates were playing in the classroom
Were you born in America, Betty?
If only she were a robot instead.

did:
Really? How did he do it?
He did work last month
What did she do in Australia?
We did not do this experiment.

I was tired after the trip.
I was hungry after I swam.
I was late for school this morning.
They were doing homework when I came here.
They were tired after the trip.
They were late for school this morning.
其实万变不离其中，可以将一个句子的动词do 改成did，在句子结尾加一个过去时的时间就行了