简体中文

Ability, permission, requests, obligation, necessity

The use of can, could, be able to, must and have to.

语言学习 / 英语 / 少儿英语 / 语法 / 情态动词
B1 (中级)
E
Ellieb
( 4.0 )
01

02

Ability, permission, requests, obligation, necessity

The use of can, could, be able to, must and have to.