2024年中考英语一轮复习时态精讲-现在完成时

2024年中考一轮复习时态精讲-现在完成时 第一关 定义 【过关指南】 1.表示过去发生的或已经完成的某一动作对现在造成的影响和结果。 e.g. -- Have you finished your homework?你完成家庭作业了么? --Yes, I have just finished it.是的, 我刚完成。 2.表示动作或状态在过去已经开始, 持续到现在，也许还要持续下去。 常和for+时间段， since+时间点连用，表示持续的动作或状态，多用 延续性动词。 e.g. Mr Zhang has taught English for 20 years. 张老师已经教了20年英语了。 【随堂练习】 ★★☆☆☆☆ 判断是否是现在完成时(如果是写T，如果不是写F)。 ( )l. Emily and I went to the concert together last week. ( )2. We haven’t seen each other for a long time since two years ago. ( )3. Lily’s mother bought a beautiful dress for her yesterday. ( )4. Have you been to London? ( )5. I haven’t seen Lucy for two months. 第二关 标志词 【过关指南】 现在完成时时间标志词: “以前从来不出现，最近曾经一两遍 自从刚刚for一段，目前已经直到现在” 1.“已经” already/yet: already用于肯定句，放在助动词之后实义动 词之前，yet用于否定和疑问句，放句末。 e. g. She has already had breakfast. I haven't finished my homework yet. 2. “刚刚”just e.g. My mother has just arrived in Zhengzhou. 3.“从不” never e.g. I have never been to America. 4.“曾经” ever e.g. Have you ever been to Japan? 5.“以前” before e.g. I have never seen such a kind man before. 6.“到目前为止” so far e.g. So far 50 people have died in the fighting. 7.“表示次数”once, twice，基数词+times e.g. He has been to Guilin twice. 8.“最近” lately, recently e.g. I haven't heard from her recently. 9.“自从” since+时间点;“持续多久”for+时间段 e.g. I have learned English since 10 years ago. 10.“直到” up to/till now e.g. I have finished all the work up to now. 【随堂练习】 ★☆☆☆☆ 判断是否是现在完成时的标志词(如果是写T，如果不是写F)。 1. already( ) 2. always( ) 3. ago ( ) 4.just now( ) 5. just( ) 6. before( ) 第三关 过去分词 【过关指南】 动词过去分词的变化规则分为规则变化和不规则变化 1. 规则变化 直:直接加-ed: work-worked 去:去哑e加-ed: live-lived 双:重读闭音节，双写尾字母加-ed: stop-stopped 改:辅y结尾，变y为i，加ed: study-studied 2. 不规则变化: A-A-A: cut-cut-cut A-A-B: beat-beat-beaten A-B-A: come-came-come A-B-B: buy-bought-bought A-B-C: drink-drank-drunk 【随堂练习】 ★★☆☆☆☆ 一、写出下列动词的过去分词。 work__________ look__________ dance__________ like__________ Plan __________ ca