以go为标准来添加字母
He __________to school by bus.
I usually ___________to school on foot.
以have为标准来添加字母
I __________a comic book.
she ______flower seeds.
I want to read some books.But I not____________books.
将be改成“is" "are" "am"选一个 例如：There (be)___are___ducks.
There (be)_____a apple ,two bananas.
I (be)_____a student.
现在进行时
I'm (do)___________the dishes.
将来进行时
where are you going this afternoon?
I'm going to the bookstore.
这就是将来进行时.