中级美国英语Lesson27:现在完成进行时态

下面一组练习是由老师把刚才那些句子改成问句, 比方老师说: "彼得一直在学 什么?" What has Peter been studying? 接着老师说 "电脑程式" computer programming,学生就回答说: Peter has been studying computer programming. 现 在我们开始作练习, 学生回答问题的时候请你也一起回答.

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.

下面一组练习的内容是说现代电脑进步的情况, 比方:现在电脑比以前便宜,比 以前有效率, 也比以前受欢迎等等. 练习的作法是由男老师用have become 加 上形容词比较级作句子, 比方: "电脑比以前实用了." Computers have become more practical, 请你用 have been getting 加上形容词比较级把句子改成 "电脑 越来越实用." Computers have been getting more practical. 现在我们开始作练 习, 请你每作完一句就听老师念正确答案.

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.

刚才那组练习里有些形容词你可能不太熟, 比方 "经济实惠" economical, "有 效率" efficient 等等. 现在我们作一组代换练习, 一方面复习现在完成进行时 态,一方面复习这些形容词. 请你在学生作代换练习的时候也一起作.

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.

《中级美国英语Lesson27:现在完成进行时态》永久阅读地址: http://91kudian.com/yingyu/690/