连词成句.（可加词改时态）

1。after began he clean do homework his house had
He began to clean the house after he had done his homework。
2。catch I in maple kingbird sight tree of
I catch the sight of a kindbird singing in the maple tree。
3。if work hard this pass I semester would pass have exam
I I worked harder this semester,I would have passed the exam。
4。both were they middle of height
They were both of medium height。
5。he at per two miles hour hundred drive
He drives at two hundred miles per hour。