《最简英语语法和标点符号指南》简洁生动讲解基本语法，适合中小学生

非常适合中小学生，只有八十页，有插图，有例子，简洁生动。最基础又重要的语法，非常适合小学初中的孩子。
Verbs
Verbs are the doing, being, having words. Their basic
forms are the forms you find in the dictionary, and you
can put to in front.
to eat to write to sing
The “to” form is called the infinitive. It’s the one they
used to tell us not to split.
Verbs can be
one word He finished the work yesterday.
I have the tools you want.
This tea is awful!
Sam is coming. (or Sam’s coming)two words Sam is not coming.
He was running round in circles.
Have you started yet?
three words I’ll be seeing them later. (will be seeing)
That chapter has been printed already.
She will have finished by then.
By September they will have been living
here for two ymore than
three