下面一組練習(xí)是由老師把剛才那些句子改成問句, 比方老師說: "彼得一直在學(xué) 什么?" What has Peter been studying? 接著老師說 "電腦程式" computer programming,學(xué)生就回答說: Peter has been studying computer programming. 現(xiàn) 在我們開始作練習(xí), 學(xué)生回答問題的時(shí)候請你也一起回答.

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 上形容詞比較級作句子, 比方: "電腦比以前實(shí)用了." Computers have become more practical, 請你用 have been getting 加上形容詞比較級把句子改成 "電腦 越來越實(shí)用." Computers have been getting more practical. 現(xiàn)在我們開始作練 習(xí), 請你每作完一句就聽老師念正確答案.

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.

《中級美國英語Lesson27:現(xiàn)在完成進(jìn)行時(shí)態(tài)》永久閱讀地址: http://www.jiazhineng.cn/yingyu/690/