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冀教版必修三《Unit 8 Protecting the Environment Section 3： GRAMMAR MAKES SENSE》优秀教案设计
----English is being taught by miss Lee now.
----New functions are being added to the camera at present.
（1） 表示这一段时间正在进行的一个被动的动作。
Many speeches are being held these days.
（2） 表示按计划或安排将要进行的一个被动动作
A party is being held tonight.
注意：① be + under / in +n. 的结构可以表示现在进行时的被动语态的含义。
The problem is under discussion now.
= The problem is being discussed now.
The telephone is in use.
= The telephone is being used.
② 一些表示“心理活动,拥有,存在”等动词,一般不用现在进行时的被动语态,而用一般现在时的被动语态。
Joe, come here. You are wanted on the phone.
Football is becoming more and more popular. In other words, it is loved by more and more people.
Practice
Fill in the blanks with the correct forms of the given verbs.
Pandas are the mascot of WWF and ______________ (protect) both by WWF and the Chinese government. However, they are not the only animals in danger. Other endangered species ______________ (discover) in China by WWF on a regular basis. One example is the porpoise (江豚) in the Yangtze River. They ________________ (now study) as their numbers decrease. Another is the tiger in Northeast China, which ______________ (observe) because it is almost extinct.
Choose the best answer
1. I’ll be going to work on foot while my bicycle_____.
(a) is being repaired (b) is repaired
(c) will repaired (d) has been repaired
2. The radar sets _____ for a long time without any trouble.
(a) have been running (b) have been run
(c) have run (d) were running
3. While the ice box_____, a lot of defects were found.