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1、2014年八年級10班現(xiàn)在完成時態(tài)專項測試1.?用法：①過去發(fā)生的動作對現(xiàn)在造成的影響或結(jié)果：強(qiáng)調(diào)結(jié)果??????????????例：YesterdayIfinishedmyhomework,——I?havefinished?myhomework.??????????????②過去已經(jīng)開始一直持續(xù)到現(xiàn)在的動作或狀態(tài)：強(qiáng)調(diào)繼續(xù)??????????????例：I?havelived?heresince1990.2.???????現(xiàn)在完成時的構(gòu)成????????havehas+過去分詞3.???????現(xiàn)在完成時的四個基本句型???????肯定句????
2、He?hasfinished?thework.??????????????????一般疑問句????Has?he?finished?thework????????否定句????He?hasnotfinished?thework.????????????兩回答????Yes,he?has.??????????No,he?hasn’t.???????特殊疑問句????What?has?he?done???????4.???????在下列情形下用現(xiàn)在完成時9詞語①already?已經(jīng)???????肯定句中或句尾????例:Ihave?already?fou
3、ndmypen.=Ihavefoundmypen?already.②yet已經(jīng)??????否定句和疑問句句尾????例：Ihavenotfinishedthework?yet.Haveyouboughtacomputer?yet?③ever曾經(jīng)????句中?????????????例：Haveyou?ever?seenpandas?④never從不??句中??????????????例：Ihave?never?beentoBeijing.⑤just剛剛?????句中??????????????例：Ihave?just?donemywork.⑥befo
4、re以前???????句尾???????例：Ihaveneverbeenthere?before.⑦sofar到目前為止????????????例：Sofar?hehaslearnt200words.⑧howlong多久??????????????????例：Howlong?haveyoulivedhere?⑨howmanytimes多少次????例：Howmanytimes?hashebeentoBeijing?2兩詞組?havegoneto去了某地???例：He?hasgoneto?Beijing???(去了北京)?haveb
5、eento去過某地???例：He?hasbeento?Beijing.???(去過北京)3兩結(jié)構(gòu)fortwomonthsfor+一段時間??????Jimhaslivedhere?for2months.sincelastyearsince+過去點時間LucyhasbeeninBeijing?since3yearsago.since3yearsagosince1990sincehecameheresince+過去時態(tài)句子HehasbeeninChina?sincehecamehere.4如果句子里面沒有時間狀語，漢語意思能夠加“已經(jīng)”，往往用現(xiàn)在完成時
6、態(tài)。?????例：Haveyoulostyourlibrarybook??你已經(jīng)弄丟了從圖書館借的那本書嗎？5現(xiàn)在完成時態(tài)還常常用于下列句型????They?haveplanted?manytrees?inthelastfewyears.?在過去的幾年，他們已經(jīng)種了很多樹。????ThisisthebestbookI?haveeverread.?這是我曾經(jīng)讀過的最好的一本書。?????ItisthefirsttimeI?haveplayed?thecomputergames.?這是我第一次玩電腦游戲。5.?????在現(xiàn)在完成時中，一次性動詞不能和一段
7、時間狀語連用???????例：Hehasboughtthebookfor3years.（錯）因buy這個一次性動詞不能和一段時間for3years連用,?改正的辦法有五種：???????①?Hehasboughtthebook..??????????????????????(去掉一段時間for3years)???????②?Heboughtthebook3yearsago?????????????(改為一般過去時，使句子的意思不變)???????③?It’s3yearssinceheboughtthebook.=3yearshaspassedsinc
8、eheboughtthebook.?????????????（改為固定句型?Itis---since---）
