We have English lessons every day and I like them very much.

　　我們每天都有英語課，我很喜歡它。

　　I give his Chinese lessons in exchange for English lessons.

　　我用漢語課與他換英語課。

　　We must not speak Chinese in our English lessons.

　　我們不可在我們的英語課過程中講漢語。