初中英语中考复习专项-现在完成时课件PPT

这是一份初中英语中考复习专项-现在完成时课件PPT，共27页。PPT课件主要包含了CONTENTS，时态含义，句型结构及句式转换，时态标志词，AAA型，ABC型，ABB型，规则变化，过去分词变化规则，补全对话等内容，欢迎下载使用。
1）表示过去发生或已经完成的某一动作对现在造成的影响或结果。
e.g. I have wrked here since 2010. I haven’t watched TV fr tw weeks.
e.g. I have already finished my hmewrk. I haven’t fund my lst pen yet.
2）表示动作从过去开始一直延续到现在并且可能继续持续下去。
1）肯定句：主语 + have/has dne + 其他.
e.g. I have finished reading this bk.
注意：当主语为第三人称单数时，助动词have要变成has。 He has finished reading this bk.
2）否定句：主语 + have/has nt dne + 其他.
e.g. I haven’t finished reading this bk.
注意：have nt可以缩写为haven’t，has nt可以缩写为hasn’t。
注意：①在针对某部分进行提问时，需要删掉提问部分。 ②注意人称的转换。
3）一般疑问句：- Have/Has + 主语 + dne +其他？
肯定回答： - Yes，主语 + have/has.
否定回答： - N，主语 + haven’t/hasn’t.
e.g. - Have yu finished reading this bk? - Yes, I have. / N, I haven’t.
4）特殊疑问句：特殊疑问词 + have/has + 主语 + dne + 其他？
e.g. What have yu read?
e.g. I have already eaten lunch.
e.g. I haven't finished the wrk yet. Have yu finished the wrk yet?
never“从来没有”，befre“以前”两者常连用just“刚刚”，ever“曾经”，s far “到目前为止”up t nw“直到现在”，in the past few years“在过去的这些年”等。
e.g. I have never seen this film.
注意：①since引导的时间状语从句，从句用一般过去时，主句用现在完成时。 ②fr +时间段 / since +时间点，句中谓语动词用延续性动词。
e.g. We have lived here fr 10 years.
since + 过去时间点 / 时间段 + ag / 一般过去时句子
e.g. We have lived here since 2009.
We have lived here since 10 years ag.
We have lived here since we were 20 years ld.
keep-kept-kepttell-tld-tldspend-spent-spent
hurt-hurt-hurtread-read-readlet-let-let
规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同
speak-spke-spkenknw-knew-knwndrink-drank-drunk
规则动词的过去分词的构成规则与规则动词的过去式的构成规则相同。
一般动词，在词尾直接加-ed e.g. wrk-wrked-wrked以不发音的“ e ”结尾的动词，只在词尾加-d e.g. live-lived-lived以“ 辅音字母 + y“结尾的动词，将 ”y ” 变为“ i ”，再加-ede.g. study-studied-studied重读闭音节结尾，末尾只有一个辅音字母（r、y、x除外），先双写该辅音字母，再加-ede.g. stp—stpped—stpped drp—drpped—drpped
have /has been t和have/has gne t的区别
have / has been t 去过（已回）说话时此人不在那里，已经回来。侧重指经历。
e.g. She has been t America many times.
have /has been in 待了…与时间段连用
have / has gne t 去了（未回）说话时此人可能在路上或已到那里。
e.g. She has gne t America.
注意：there、here、hme、abrad等地点副词前不能加介词。
e.g. She has been in America fr tw weeks.
短暂性动词与延续性动词的转换
现在完成时在表示过去的动作持续到现在时，要求动词为延续性动词，当句子中给出的动词是短暂性动词时，需要将短暂性动词转换为相应的延续性动词。
I have bught this cat fr ne year. ×
I have had this cat fr ne year. √
1. Jane Sarah ________ many places f interest in Beijing already. A. VisitedB. has visited C. will visitD. visits2. – Where is Han Mei nw? －She ________ t Shanghai. She will be back in tw days. A. has gne B. has been C. ges D. had gne3. His grandma ________ fr tw years. A. died B. has died C. was dead D. has been dead
A: Hi, Kathy! What places have yu been t in China?B: ________________________, such as Xi’an, Hang zhu and Guangzhu.A: Yu’ve been t mre places than I have.B: ________________________?A: I’ve nly been t Beijing.B: Oh, that’s the capital city f China. __________________________?A: I have been there fr a week.
I have been t many places
What place have yu been t
Hw lng have yu been there
“fr + 时间段”和“since + 时间点”都是现在完成时标志词，在补全对话中的特殊疑问句中对于“fr+时间段”和“since+时间点”提问, 特殊疑问词用hw lng。
1）掌握现在完成时的含义、时间标志词及结构
2）能根据时间标志词选择正确的时态结构
3）掌握have/has been t与have/has gne t的区别，并能够熟练运用
4）延续性动词与非延续性动词在现在完成时中的用法