现在完成时专项练习ppt课件.pptx

Ihaveseenthesemoviesmanytimes.现在完成时 专项练习 韩欣宏现在完成时结构 have /has+v 过去分词 助动词 否定 疑问 havent hasnt Have you? Has he?Practice 我已经完成作业了。 I have finished my homework. He has has finished his homework. Has he haven t No ,he hasnt. Yes, he has. ?现在完成时的两种基本用法 1.表示过去发生或已经完成的动作对现在 造成的结果或影响。 标志词： already, yet, just, ever, never, before等 e.g. Have you had your lunch yet? Yes, I have. Ive just had it. (现在我不饿了。)