中考英语之现在完成时剖析 1.基本概念:表示过去发生的动作对现在造成的影响或结果;或表示过去已经开始,持续到现在的动作或状态。 2.基本构成:助动词have/has+过去分词 过去分词的变化规则: 规则动词的过去分词由动词原形加ed构成,不规则动词的过去分词 见不规则动词表(教师给学生复印) 3.中考考查范围: 1)yet, already, just, before, never, ever, recently等表示时间的词作时间状语,表示过去发生的动作对现在造成的影响或结果 天津中考:------What are you going to do this weekend? -------I ____yet. A.haven not decided B.will not decide C.have decided D.did not decide 2)since, for 引导的时间状语,表示过去已经开始,持续到现在的动作或状态 上海中考:The Oriental Pearl TV Tower________thousands of visitors since 1995. A.attracted B.attracts C.has attracted D. Will attract 3)this morning, this week, today, now等时间状语用在现在完成时中 河北中考:-----______Betty this morning? ----Not yet, but she is sure to be here before noon. A.Have you seen B.Will you see C.Do you see D.Did you see |