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      現(xiàn)在完成時的基本用法

      2020-10-29 05:42:35曲永華
      考試與評價·八年級版 2020年5期
      關(guān)鍵詞:肯定句忍者助動詞

      曲永華

      一、現(xiàn)在完成時考點分析

      現(xiàn)在完成時是考試中的一個重要語法點,主要考查它的含義、結(jié)構(gòu)、時間狀語、短暫性動詞和延續(xù)性動詞的用法??疾辄c在題型上主要有單項選擇、句型轉(zhuǎn)換、翻譯句子等。

      二、現(xiàn)在完成時的構(gòu)成

      三、規(guī)則動詞過去式、過去分詞的構(gòu)成

      四、現(xiàn)在完成時的用法

      五、現(xiàn)在完成時的時間狀語

      1. 常與現(xiàn)在完成時連用的狀語:before 以前,ever 曾經(jīng),until 剛剛,never 從不,從來沒有,recently 近來,最近,since 自從,just 剛剛,already 已經(jīng),yet 仍然,還,over the years多年以來,by now 到現(xiàn)在為止,during the last / few weeks 在過去的幾個星期里,for a long time 很長時間,in the last / past few years / weeks 在過去的幾年/周里,many times 許多次,over the past years 在過去的幾年里,so far 到目前為止,up to / till now 到現(xiàn)在為止,many times 許多次。

      2. 用法辨析:already, yet; never, ever; just

      a) already往往用于肯定句,用在疑問句時表示強(qiáng)調(diào)或加強(qiáng)語氣;yet通常用于否定句和疑問句。

      He has already left here. 他已經(jīng)離開這里了。

      Has he already left here? 他(真地)已經(jīng)離開這里了嗎?(表示加強(qiáng)語氣)

      My teachers haven't had breakfast yet. 我的老師們還沒有吃早飯。

      Have you written to your parents yet? 你已經(jīng)給你父母寫過信了嗎?

      b) never是否定詞,表示“從來沒有”,用于肯定句中;而ever表示“曾經(jīng)”,用于疑問句中。

      We have never been to the Great Wall. 我們從來沒有去過長城。

      Have you ever been to Canada? 你們曾經(jīng)去過加拿大嗎?

      c) just表示“剛剛”,用于完成時態(tài)時,與already, never等副詞的位置一樣,多用在助動詞have / has和動詞過去分詞之間。

      He has just come back. 他剛剛回來。

      They have just finished the work. 他們剛剛完成那項工作。

      【趁熱打鐵】

      一、同義句改寫,每空詞數(shù)不限。

      1. He died 10 years ago.

      He ____ for 10 years / since 10 years ago.

      2. He borrowed the book two weeks ago.

      He ____ the book for two weeks.

      3. He bought the motorbike a month ago.

      He ____ the motorbike for a month.

      4. He arrived here three days ago.

      He ____ here since three days ago.

      5. They turned off the light two hours ago.

      The light ____ for two hours.

      6. He left here two years ago.

      He ____ from here for two years.

      7. The film began 30 minutes ago.

      The film ____ for 30 minutes.

      8. They opened the door an hour ago.

      The door ____ for an hour.

      9. They closed the door an hour ago.

      The door ____ for an hour.

      10. He joined the army last year.

      He ____ a ____ for a ?year.

      二、單項選擇。

      1. The famous writer ___ one new book in? ? the past two years.

      A. is writing ? ? B. was writing

      C. wrote ? ? D. has written

      2. Have you met Mr. Li ___?

      A. just ? ? B. ago

      C. before ? ? D. a moment ago

      3. —How long have you ___ here? ? ??—About two months.

      A. been ? ? B. gone

      C. come ? ? D. arrived

      4. —Our country ___ a lot so far.—Yes. I hope it will be even ___.

      A. has changed; well

      B. changed; good

      C. has changed; better

      D. changed; better

      5. —___ you ___ your homework yet?—Yes. I ___ it a moment ago.

      A. Did; do; finished

      B. Have; done; finished

      C. Have; done; have finished

      D. Will; do; finish

      三、漢譯英,每空詞數(shù)不限。

      1. 我的美國朋友愛上了宜昌,并且希望在此長住。

      My American friend ______ Yichang and she wishes to live here forever.

      2. 兩個月以來,已經(jīng)有400名大學(xué)生參加了“手機(jī)忍者”的測試。

      400 college students ______ the test called “Mobile Phone Ninja” since two months ago.

      3. 現(xiàn)在在十堰,大多數(shù)司機(jī)習(xí)慣了在斑馬線前停下來等行人先行。

      These days, most drivers ______ to wait for people to cross the road first at the zebra crossing in Shiyan.

      4. 自2008年以來,達(dá)州發(fā)生了很大變化。

      Great changes ______ in Dazhou since 2008.

      5. Tina不可能在教室里,她去圖書館了。

      Tina ____ be in the classroom. She____ to the library.

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