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下面一組練習(xí)是由老師把剛才那些句子改成問(wèn)句, 比方老師說(shuō): "彼得一直在學(xué) 什么?" What has Peter been studying? 接著老師說(shuō) "電腦程式" computer programming,學(xué)生就回答說(shuō): Peter has been studying computer programming. 現(xiàn) 在我們開(kāi)始作練習(xí), 學(xué)生回答問(wèn)題的時(shí)候請(qǐng)你也一起回答.
M: What has Peter been taking?
M: computer courses
F: Peter has been taking computer courses.
M: What has Peter been studying?
M: computer programming
F: Peter has been studying computer programming.
M: What has Peter been playing?
M: computer games
F: Peter has been playing computer games.
M: What has Mary been thinking of?
M: buying a home computer
F: Mary has been thinking of buying a home computer.
M: What has Mary been looking at?
M: home computers
F: Mary has been looking at home computers.
下面一組練習(xí)的內(nèi)容是說(shuō)現(xiàn)代電腦進(jìn)步的情況, 比方:現(xiàn)在電腦比以前便宜,比 以前有效率, 也比以前受歡迎等等. 練習(xí)的作法是由男老師用have become 加 上形容詞比較級(jí)作句子, 比方: "電腦比以前實(shí)用了." Computers have become more practical, 請(qǐng)你用 have been getting 加上形容詞比較級(jí)把句子改成 "電腦 越來(lái)越實(shí)用." Computers have been getting more practical. 現(xiàn)在我們開(kāi)始作練 習(xí), 請(qǐng)你每作完一句就聽(tīng)老師念正確答案.
M: Computers have become smaller.
F: Computers have been getting smaller.
M: Computers have become better.
F: Computers have been getting better.
M: Computers have become easier to use.
F: Computers have been getting easier to use.
M: Computers have become cheaper.
F: Computers have been getting cheaper.
M: Computers have become more economical.
F: Computers have been getting more economical.
M: Computers have become more useful.
F: Computers have been getting more useful.
M: Computers have become more practical.
F: Computers have been getting more practical.
M: Computers have become more efficient.
F: Computers have been getting more efficient.
M: Computers have become more convenient.
F: Computers have been getting more convenient.
M: Computers have become more popular.
F: Computers have been getting more popular.
剛才那組練習(xí)里有些形容詞你可能不太熟, 比方 "經(jīng)濟(jì)實(shí)惠" economical, "有 效率" efficient 等等. 現(xiàn)在我們作一組代換練習(xí), 一方面復(fù)習(xí)現(xiàn)在完成進(jìn)行時(shí) 態(tài),一方面復(fù)習(xí)這些形容詞. 請(qǐng)你在學(xué)生作代換練習(xí)的時(shí)候也一起作.
M: Computers have been getting smaller.
M: better
F: Computers have been getting better.
M: more useful
F: Computers have been getting more useful.
M: more practical
F: Computers have been getting more practical.
M: more economical
F: Computers have been getting more economical.
M: more efficient
F: Computers have been getting more efficient.
M: more convenient
F: Computers have been getting more convenient.
M: more popular
F: Computers have been getting more popular.
