英语造句 每种一个 一般现在时 一般过去时 一般将来时 过去将来时 现在进行时 过去进行时 现在完

He is a boy.
He was a teacher.
He will go back home tomorrow.
He was going to plan the tree.
He is reading.
She was singing a song,
He has got it.
He had left before he came in.