江苏省启东中学高中英语 Unit 1 Tales of the unexpected 现在完成时和现在完成进行时教案 牛津译林版必修2A. 现在完成时I. 构成:have / has + doneII. 用法:1、现在完成时表示一个发生于过去,但该动作对现在产生影响或结果;2、现在完成时表iting for you for a long time. I’ve been doing my work regularly.c.f. He is being friendly.