新概念Lesson 84
Have you had...? 你已经……了吗?
语法
现在完成时态(二) 结构:have done
一.过去分词的构成
过去分词
1.一般动词后+ed,
eg:clean-cleaned, stay-stayed
2.以不发音的e结尾,直接+d,
3.以一个辅音字母结尾的重读 闭音节,双写尾字母+ed,
结构
1.肯定句:主语+ have/has
+
过去分词(done)+其他.
(助动词, 随主语变)
(动词后+ed)
Eg:I have had lunch. 我已经吃过午饭了。 I've already had lunch.
I have=I've
2.否定句:主语+ have/has + not + 过去分词(done)+其他.
练习题
1.__H__a_s_ he __fi_n_i_sh_e_d___(finish) his work today ? Not yet . 2.My mother ___h_a_s___d_o_n_e___(do) the housework already.
3.He has already finished his homework.(改为否定句) He _____h_a__s_n_'tfinished his homework ____y__e_t_.
Paris in the spring.
eg:I have just been to the cinema 我刚刚去过电影院。 He has just gone to the cinema 他刚刚去了电影院。