被动语态课件--高三英语语法专题复习.pptx
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1、高三英语语法专题复习-被动语态被动被动语态语态一般现在时一般过去式主语+am/are/is+done主语+was were+doneby 被动语态的时态、人称和数的变化考点1时态时态结构结构例子例子一般现在时一般现在时 am/is/are+doneThe desks are made in China.(肯定句)(肯定句)The desks arent made in China.(否定句,在(否定句,在am/is/are后加后加not)Are the desks made in China?(一般疑问句,把(一般疑问句,把am/is/are提至句首)提至句首)一般过去时一般过去时 was/w
2、ere+doneThe building was built ten years ago.(肯定句)(肯定句)The building wasnt built ten years ago.(否定句,(否定句,在在was/were后加后加not)Was the building built ten years ago?(一般疑问句,把(一般疑问句,把was/were提至句首)提至句首)被动语态的时态、人称和数的变化考点1时态时态结构结构例子例子一般将来时一般将来时will+be+doneA new school library will be built next year.(肯定句)(肯定句)
3、A new school library wont be built next year.(否定句,在(否定句,在will后加后加not)Will a new school library be built next year?(一般疑问句,把(一般疑问句,把will提至句首)提至句首)am/is/are going to+be+done A new school library is going to be built next year.(肯定句)(肯定句)A new school library isnt going to be built next year.(否定句,在(否定句,在a
4、m/is/are后加后加not)Is a new school library going to be built next year?(一般疑问句,把(一般疑问句,把am/is/are提至句首)提至句首)被动语态的时态、人称和数的变化考点1时态时态结构结构例子例子含有情态动词含有情态动词情态动词情态动词+be+doneStudents should be allowed to use mobile phones at school.(肯定句)(肯定句)Students shouldnt be allowed to use mobile phones at school.(否定句,在情态动词后
5、加(否定句,在情态动词后加not)Should students be allowed to use mobile phones at school?(一般疑问句,把情态动词提至句首)(一般疑问句,把情态动词提至句首)1主动语态变被动语态We can borrow at most five books at a time,and we can keep them for ten days.At At most five books can be borrowed at a time and they can most five books can be borrowed at a time a
6、nd they can be kept for ten days.be kept for ten days.When we put some waste chemicals into the sea,they can hurt or kill animals and fish.When some waste chemicals are put into the sea,When some waste chemicals are put into the sea,they can hurt or kill animals and fish.they can hurt or kill animal
7、s and fish.2写作中常见的被动语态(1)be过去分词(be可使用各种时态)The The exhibition will be held from 9exhibition will be held from 9:00 am to 500 am to 5:00 pm the day after 00 pm the day after tomorrow in the art gallery.tomorrow in the art gallery.展览将于后天上午展览将于后天上午9 9时至下午时至下午5 5时在美术馆举行。时在美术馆举行。Nowadays,more and more Eng
8、lish words are being used in the Nowadays,more and more English words are being used in the Chinese language.Chinese language.当今,越来越多的英语词汇正在汉语中使用。当今,越来越多的英语词汇正在汉语中使用。(2)情态动词be过去分词To improve the air quality,the use of private o improve the air quality,the use of private cars should be reduced.cars sh
9、ould be reduced.为了提高空气质量,应该减少使用私家车。为了提高空气质量,应该减少使用私家车。As can be seen from the chart,more and more people own mobile As can be seen from the chart,more and more people own mobile phones in China now.phones in China now.正如从表中所看到的,如今在中国拥有手机的人越来越多。正如从表中所看到的,如今在中国拥有手机的人越来越多。(3)get过去分词The entrance to the
10、parking place was too small The entrance to the parking place was too small and often got blocked.and often got blocked.通往存车处的入口太小了,经常堵车。通往存车处的入口太小了,经常堵车。Im feeling very sorry to tell you Im feeling very sorry to tell you that I have to change our plan to visit Yunnan in July,because my left that I
11、have to change our plan to visit Yunnan in July,because my left foot got injured.foot got injured.我很抱歉地告诉你我不得不改变我们七月份去云南旅游的计我很抱歉地告诉你我不得不改变我们七月份去云南旅游的计划,因为我的左脚受伤了。划,因为我的左脚受伤了。即时演练句型转换(主动语态变被动语态)1Above all,we must do something to stop pollution.AboveAbove_ _all,all,_ _somethingsomething_ _mustmust_ _b
12、ebe_ _donedone_ _toto_ _stopstop_ _pollutionpollution.2It is true that many things determine our future.It It_ _is is_ _truetrue_ _thatthat_ _ourour_ _futurefuture_ _is is_ _determineddetermined_ _byby_ _manymany_ _things.things.3The boss made him work all day long.HeHe_ _waswas_ _mademade_ _toto_ _
13、workwork_ _allall_ _dayday_ _long.long.4I suggest that you(should)make friends with people having different characteristics or backgrounds.It It_ _is is_ _suggestedsuggested_ _thatthat_ _youyou_ _(should)(should)_ _makemake_ _friendsfriends_ _withwith_ _pepeopleople_ _havinghaving_ _differentdiffere
14、nt_ _characteristicscharacteristics_ _oror_ _backgrounds.backgrounds.自主训练 在空白处填入括号内单词的正确形式1“This really excites scientists,”Carle Pieters,a scientist at Brown University,says,“because it means we have the chance to obtain information about how the moon _(construct)”(2020全国卷)2The artist was sure he w
15、ould _(choose),but when he presented his masterpiece to the emperors chief minister,the old man laughed.(2020全国卷)3A rescue worker risked his life saving two tourists who _(trap)in the mountains for two days.答案:1.is constructed2.be chosen3.had been trapped4During a visit to Boston in 1733,Franklin _(
16、impress)with the citys fire prevention methods.5At university,you will _(teach)by lecturers and professors who are leading figures in their study.6Sometimes chopsticks are quite artistic.Truly elegant chopsticks might _(make)of gold and silver with Chinese characters.7Shuai jiao _(consider)by some e
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