have的用法
一、have作助动词
主要变化形式:have,has,had
上海419论坛 动名词/现在分词:having
1)have +过去分词,构成完成时态,例:
上海419论坛 He has left for London.他已去了伦敦。
By the end of last month, they had finished half of their work.
上月末为止,他们已经完成工作的一半。
2)have + been +现在分词,构成完成进行时(现在完成时),例:
I have been studying English for ten years.
上海419论坛 我一直在学英语,已达十年之久。
上海419论坛 3)have+been +过去分词,构成完成时态的被动语态,例:
上海419论坛 English has been taught in China for many years.
上海419论坛 中国教英语已经多年。
上海419论坛 二、have作普通动词形式
上海419论坛 为表示习惯动作,do与have连用:
上海419论坛 — Do you have earthquakes in your country? 你们国家地震吗?
— Yes,but we don’t have them very often. 有,但不经常。
have意指take(a meal)(吃),give(a party)(举行)等。
上海419论坛 We have lunch at one.
我们1点钟吃饭。
They are having a party tomorrow.
他们明天举行聚会。
上海419论坛 I hope you’ll have a good holiday.
上海419论坛 我希望你愉快地度过假期。