Nguồn ngoài

Grammar Essentials

We speak of this as usage. There are far more usage rules than grammar rules, and they are far more difficult to master. Many of them you just have to learn; and, after you learn them, you have to use them over and over and over in order to incorporate them into your language.

Tác giả

Excelsior Online Writing Lab

Nhà xuất bản

Excelsior College

Nguồn

LibreTexts

Giấy phép

CC BY

Ngôn ngữ

EN

Danh mục

Tiếng Anh