Step1 Warming up
Show students a short piece of the movie Kung Fu Panda 2, let students get first impression of the leading character in today's lesson--panda.
Step2 Lead-in
Show students a picture of panda that looks like a Kung Fu panda and other pictures of panda to arouse their interests. Then, in contrast, share them with the news of the panda died recently and read the news in detail. Present the sentences with Present Progressive Passive Voice according to the news one by one.
Step3 Discovering useful structure
List the sentences mentioned before, get students to pay attention to the underlined part and summarize the grammar rules:
1. The other 4 pandas are being affected.
2. Another panda Dabao is being killed by virus.
3.The Rare Wild Animal Research Center is being shut.
4. The associate professor Mr. Jin is being interviewed.
5. The source of the virus is being searched for.
The Present Progressive Passive Voice
现在进行时的被动语态同主动语态一样强调在目前或现阶段正在进行的被动动作。经常和always, often或者时间副词now (现在), right now (现在, 此刻), at present (现在,目前), at this moment (此刻), these days连用。
结构:am/is/are + being done
Step4 Practice
Continue to present some more pieces of the news about pandas. And provide some key words for students to tell the news by using the Present Progressive Passive Voice. Specifically, give students the sentence of active voice at first and then guide them to transform it into passive one.
1. From now on, "Panda killer" is being paid close attention to.
2. The pandas are being protected from virus in Chengdu.
3. Some plans are being made against the virus.
4. The problem is being discussed at the meeting.
▲ Some additional rules worth attention:use the information above help students to discover and make a summary.
1)The pandas are under protection.
The pandas __ ____ ________.
2) The problem is under discussion at the meeting.这个问题正在会议上讨论。
The problem __ ____ _______ at the meeting.
3) Some plans are in use now.
Some plans __ ____ ____ now.
归纳:"be +under/in等介词+名词"结构可表示现在进行时的被动语态的含义。
Step5 Speaking
From the news, we can see the pandas are in danger of dying and even dying out. There must be some reasons. Now, let's work together to find out:
"Why the numbers of pandas are decreasing as time goes by?"