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【分析】 吉姆不在教室里面,他現(xiàn)在在哪兒? 他去圖書館了. 【解答】答案: C 根據(jù)語(yǔ)境和幾種基本時(shí)態(tài)的區(qū)別可知, A. will go to 一般將來(lái)時(shí),他將會(huì)去圖書館,意思不符; D. goes to 一般現(xiàn)在時(shí)態(tài),他經(jīng)常去去圖書館,并不表示他現(xiàn)在在圖書館,排除; B. has been to 去過(guò)某地了,現(xiàn)在已經(jīng)回到說(shuō)話的地方了.也不符合意思,故排除. C. has gone to,去了某地,現(xiàn)在不在說(shuō)話的地方.此題是“不在教室里,去了圖書館”,故選 C 3 Where is Mr. Zhao? He _________ to Mount Fanjing. He’ ll e back _______ a week.( ) A. has been, in B. has gone, after C. has gone, in D. has been, after 【考點(diǎn)】現(xiàn)在完成時(shí);常用介詞的辨析. 【分析】 趙先生在哪里? 他到梵凈山去了.一周之后他回來(lái). 【解答】 has been to 是去過(guò)的意思,表示現(xiàn)在不在那里, has gone to的意思是去了,表示不在說(shuō)話的地點(diǎn).根據(jù)句意 He’ ll e back 可以知道,應(yīng)該是 用 has gone to, in+時(shí)間段是一般將來(lái)時(shí)的時(shí)間標(biāo)志,結(jié)合句意可知,故選 C. 3 My sister _______ the Youth League for more than two years.( ) A. has taken part in B. has been in C. has joined in 【考點(diǎn)】現(xiàn)在完成時(shí). 【分析】我的姐姐加入共青團(tuán)已經(jīng)超過(guò)兩年了. 【解答】答案: B 根據(jù) for more than two years可知,這句話的時(shí)態(tài)為現(xiàn)在完成時(shí),現(xiàn)在完成時(shí)的構(gòu)成為 have/has+過(guò)去分詞.在 for+一段時(shí)間 構(gòu)成的現(xiàn)在完成時(shí)句子中,謂語(yǔ)動(dòng)詞得為延續(xù)性動(dòng)詞,所以排除 take part in/join in,故答案為 B 3 Ming ming, you _______TV for three hours. You should have a rest. OK. Mum.( ) A. have watched B. are watching C. watches 【考點(diǎn)】現(xiàn)在完成時(shí). 【分析】 明明,你已經(jīng)看電視三個(gè)小時(shí)了.你應(yīng)該休息一下了. 好的,媽媽. 【 解答】答案: A.根據(jù) you _______TV for three hours中的 for three hours可知看電視這個(gè)動(dòng)作從過(guò)去一直到現(xiàn)在有三個(gè)小時(shí)了,與現(xiàn)在有關(guān),表動(dòng)作從過(guò)去延續(xù)到現(xiàn)在,要用現(xiàn)在完成時(shí),現(xiàn)在完成時(shí)的構(gòu)成:主語(yǔ) +have 或 has+動(dòng)詞過(guò)去分詞,故選 A. 37 、 Everything in our school since 2022 . Now , it very modern.( ) A. is changed; is looked B. is changed; looks C. has changed; is looked D. has changed; looks 【考點(diǎn)】現(xiàn)在完成時(shí). 【分析】自從 2022 年以來(lái)在我們學(xué)校一切都變了.現(xiàn)在它看起來(lái)非?,F(xiàn)代. 【解答】答案: D.根據(jù) Everything in our school since 2022中的 since 自從?以來(lái),可知要用現(xiàn)在完成時(shí),其構(gòu)成:主語(yǔ) +have/has+動(dòng)詞的過(guò)去分詞;根據(jù) Now, it very modern可知要用一 般現(xiàn)在時(shí), look 是系動(dòng)詞看起來(lái),主語(yǔ)為單數(shù),所以應(yīng)用looks.故選 D 3 He _____ in this factory for 20years already.( ) A. will work B. works C. has worked D. is working 【考點(diǎn)】現(xiàn)在完成時(shí). 【分析】他已經(jīng)在這家工廠工作了 20 年了.. 【解答】答案: C.根據(jù) He _____ in this factory for 20years already中的 for 20years可知 work 這個(gè)動(dòng)作從 20 年前 一直延續(xù)到現(xiàn)在,要用現(xiàn)在完成時(shí),現(xiàn)在完成時(shí)的構(gòu)成:主語(yǔ) +have/has+動(dòng)詞的過(guò)去分詞.故選 C. 3 She_____ her hometown since she was 18years old. She told me she would return soon.( ) A. has left B. has been away from C. leftD. went away 【考點(diǎn)】現(xiàn)在完成時(shí). 【分析】自從 18 歲時(shí)她就離開(kāi)了家鄉(xiāng),她告訴我很快她就回來(lái)了. 【解答】答案: B 根據(jù)時(shí)間狀語(yǔ) since she was 18years old結(jié)合句意 自從 18歲時(shí)她就離開(kāi)了家鄉(xiāng),她告訴我很快她就回來(lái)了. 判斷主句用現(xiàn)在完成時(shí).現(xiàn)在完成時(shí)的構(gòu)成是:主語(yǔ) +have/has+動(dòng)詞的過(guò)去分詞;時(shí)間狀語(yǔ) since she was 18years old 表示時(shí)間段,要求句子中的謂語(yǔ)動(dòng)詞必須是延續(xù)性動(dòng)詞, leave 是非延續(xù)性動(dòng)詞,轉(zhuǎn)換成 be away from 才可以與時(shí)間段連用,故答案為 B The anization ______ thousands of homeless animals since last year.( ) A. has saved B. saved C. was saving 【考點(diǎn)】現(xiàn)在完成時(shí). 【分析】自從去年以來(lái),這個(gè)組織已經(jīng)挽救了成千上萬(wàn)個(gè)流浪動(dòng)物. 【解答】答案: A. 根據(jù)時(shí)間狀語(yǔ) since last year 結(jié)合句意 自從去年以來(lái),那個(gè)組織已經(jīng)挽救了成千上萬(wàn)個(gè)流浪動(dòng)物. 判斷用現(xiàn)在完成時(shí).現(xiàn)在完成時(shí)的構(gòu)成是:主語(yǔ) +have/has+動(dòng)詞的過(guò)去分詞;主語(yǔ)是單數(shù)名詞,助動(dòng)詞用has,故答案為 A