2022年初中英语现在完成时详解
2022-09-14 14:18:56佚名
现在完成时:
1.概念:过去发生或已经完成的动作对现在造成的影响或结果,或从过去已经开始,持续到现在的动作或状态。
2.时间状语:recently, lately, since…for…,in the past few years, etc.
3.基本结构:have/has + done
4.否定形式:have/has + not +done.
5.一般疑问句:have或has提前
6.例句:I've written an article.
It has been raining these days.