外研版英语八年级下册Module4 语法专项课件（现在完成时3）

1、Module4 语法专项课件语法专项课件（现在完成时（现在完成时3）初中英语外研版八年级下册初中英语外研版八年级下册语法透析语法透析考点大观考点大观易错辨析易错辨析通关训练通关训练考点大观考点大观易错辨析易错辨析通关训练通关训练现在完成时三大用法：1.表示到现在为止已经完成或刚刚完成的动作。2.一件发生在过去的事情对现在产生影响。3.一个动作开始于过去，并持续到现在（也许还将持续下去）。考点大观考点大观易错辨析易错辨析通关训练通关训练肯定句：主语 + have/ has + 过去分词+.否定句:主语+havent ( have not) +过去分词 主语+hasnt ( has not ) +

2、过去分词.疑问句:Have / Has+主语+过去分词.?She hasnt finished her homework. Has she finished her homework? She has finished her homework. 结构考点大观考点大观易错辨析易错辨析通关训练通关训练since/for用法辨析since+时间点since+ 时间段+ agosince+ 从句（一般过去时）John has been a football player since 3 years ago.He has lived in China since 1992.sinceTom has l

3、ived in America since he was a little child.考点大观考点大观易错辨析易错辨析通关训练通关训练since/for用法辨析for+ 时间段forHe has kept the book for 2 weeks.考点大观考点大观易错辨析易错辨析通关训练通关训练have been to/have gone to辨析have been tohave gone to去过某地已经回来，可用于任何人称。常与once, twice, three times, ever, never 等连用。去某地了，说话时某人不在现场，常用于第三人称。考点大观考点大观易错辨析易错辨析

4、通关训练通关训练have been to/have gone to辨析I have been to Beijing for three times.My father has gone to Shanghai for a meeting.（去了尚未回来）（去过已回来）考点大观考点大观易错辨析易错辨析通关训练通关训练非延续性动词转化为延续性动词短暂性动词不能用于完成时，被称为非延续性动词。为了表述这种意思，我们常用相应的延续性动词来代替非延续性动词。buy, borrow, arrive, come, die, fall, go, join, leave等。考点大观考点大观易错辨析易错辨析通关训

5、练通关训练非延续性动词转化为延续性动词他入党五年了。He joined the Party five years ago .He has been in the Party for five years.He has been a Party member for five years.考点大观考点大观易错辨析易错辨析通关训练通关训练非延续性动词转化为延续性动词beginbe onreturnbe backleavebe away fromjoinbe ingobe offdiebe deadcomebe herefall illbe illborrowkeepbuyhave考点大观考点大观易

6、错辨析易错辨析通关训练通关训练解析解析【典例1】用since/for填空1. My aunt has lived in Australia_15 days.2. Margaret is in her office. She has been there_7 oclock.3. India has been an independent country_1974.考查现在完成时标志词。题1中，15 days为时间段，选用for。题2、3中， 7 oclock和1974为时间点，选用since。forsincesince考点大观考点大观易错辨析易错辨析通关训练通关训练解析解析【典例2】My parents _Nanjing twice. A. have gone to B. have been to C. have been in D. are in 考查现在完成时。句意：我父母去过南京两次。have gone to去了尚未回来；have been to去过已经回来，锁定题眼twice，只能选择答案B。考点大观考点大观易错辨析易错辨析通关训练通关训练解析解析【典例3】You fell ill two days ago. So you _ for two days? Thats right. A. have fallen ill