21世纪教育网
设计作品0
表示过去已经开始,一直延续到现在的动作或状态。时间状语有: E.g:He has lived in Chengdu for ten years. E.g:He has lived in Chengdu since 2010. He has lived in Chengdu since ten years ago. He has lived in Chengdu since he was twenty years old. 表示过去发生或已经完成的动作对现在造成的影响或结果。常与just(刚刚), already(已经),never(从来没有),ever(曾经),before(以前),yet(仍然), once(一次),twice(两次),many tim
转载请注明出处!本文地址:https://www.docer.com/preview/20936553
关注稻壳领福利