内容正文:
Period Ⅲ Discovering Useful Structures
单元语法:The present continuous passive voice (现在进行时的被动语态)
授课提示:对应学生用书第50页
[语法体会]
[生活中的语法]
[学习中的语法]
①Now the farmers are happy and their income are increasing.
②Many animals are being killed for the wool beneath their stomachs.
③These fur is being used to make sweaters for people like you.
④I wonder what is being done to help you.
⑤So good things are being done here to save local wildlife.
[我的发现]
(1)例句①使用的是现在进行时,谓语动词的构成:be (am/is/are)+doing。
(2)例句②~⑤使用的是现在进行时的被动语态,谓语动词的构成:be (am/is/are)+being+done。
(3)观察以上例句可知,当把现在进行时主动语态的句子变为被动语态时,往往在be动词后加上一个being来体现现在进行时,然后再把动词的现在分词形式变成过去分词形式来表示被动。
[知识精要]
一、现在进行时的被动语态结构
肯定句
be (am/is/are) being done
否定句
be (am/is/are)+not+being done
一般疑问句
be (am/is/are)+主语+being done
特殊疑问句
特殊疑问词+ be (am/is/are)(+主语)+ being done
A dinner is being prepared now.晚饭正在准备中。
Even though your application is not being checked now, the manager will take it into consideration soon. 虽然你的申请现在不被审查,但经理很快会考虑它的。
Is this film being put on in the cinema this week?这部电影本周在这家电影院上映吗?
Where is the activity being held now?这项活动现在在哪里举行?
[即学即练1] 按要求改写句子
They are building a modern school in his hometown.
①A modern school is being built in his hometown.(改为被动语态)
②A modern school isn't being built in his hometown.(把①句改为否定句)
③Is a modern school being built in his hometown?(把①句改为一般疑问句)
④Where is a modern school being built?(对①句就in his hometown进行提问)
二、现在进行时的被动语态用法
1.表示说话时刻正在进行或发生的被动动作,常与now,look等词连用。
A new film is being shown in the theatre. Let's go to see it.电影院里正在放映新电影,咱们去看吧。
2.表示现阶段正在进行或发生的被动动作。
The plan to explore the South Pole is being made these days.最近正在制订勘探南极的计划。
3.表示习惯性的被动行为,常用always, often等修饰,多带有赞扬、羡慕、责备或埋怨等感情色彩。
I feel very surprised that the window of our classroom is often being forgotten to close.我感到很吃惊的是我们教室的那扇窗户经常被忘记关上。
4.表示按计划或安排将要发生的被动动作。
The question is being discussed at the coming meeting.在即将举行的会议上将讨论这个问题。
5.与情态动词连用,表示对正在发生的事情的推测。
—Do you know what Smith is doing?
—He is ill. He may be being examined by the doct