人教版高中英語必修2 Unit4 Grammar 精品課件

1、配人教版英語必修配人教版英語必修2 Unit4 Grammar 配人教版英語必修配人教版英語必修2 .觀察下面的句子1Were being killed for the wool beneath our stomachs.2Our fur is being used to make sweaters for people like you.3So good things are being done here to save local wildlife.現(xiàn)在進行時的被動語態(tài)現(xiàn)在進行時的被動語態(tài) 配人教版英語必修配人教版英語必修2 以上句子都為_。其基本結(jié)構(gòu)為：_。表示“某人或某事正在被”，強

2、調(diào)主語是動作的承受者，即主謂之間為被動關系。答案：現(xiàn)在進行時的被動語態(tài)；is/am/are/being done配人教版英語必修配人教版英語必修2 【歸納拓展】現(xiàn)在進行時被動語態(tài)的否定形式：1be(am/is/are)notbeingdoneOak trees are not being cut down these days.這些天沒有人砍伐橡樹。2現(xiàn)在進行時被動語態(tài)的疑問形式：be(am，is，are)主語beingdoneIs a new lake being built in the park?公園里正在建造一個新湖嗎？配人教版英語必修配人教版英語必修2 3現(xiàn)在進行時被動語態(tài)的特殊疑問

3、句形式：疑問詞(作主語)is beingdone疑問詞(作定語)名詞is/are beingdone疑問詞is(are)主語beingdoneHow many buildings are being built in the town?城鎮(zhèn)里有多少大樓正在建設？配人教版英語必修配人教版英語必修2 .用法1表示說話瞬間正在進行的動作。My bike is being repaired now.我的自行車正在被修理。2表示現(xiàn)階段正在進行的動作。A new teaching building is being built in our school.在我們學校一座新教學樓正在被建造。配人教版英語必修

4、配人教版英語必修2 3表示一種習慣的被動行為，常帶有贊揚、羨慕、討厭等感情色彩。“Why are you always being punished by your teacher？”Mother asked.母親問道：“你為什么總是被老師懲罰？”4表示按計劃、安排，主語將要承受某個動作(少數(shù)及物動詞)。An English evening is being held tonight.今晚將要舉行英語晚會。配人教版英語必修配人教版英語必修2 【歸納拓展】各種時態(tài)的被動語態(tài)語態(tài)有兩種：主動語態(tài)和被動語態(tài)。主語是動作的發(fā)出者為主動語態(tài)；主語是動作的承受者為被動語態(tài)。被動語態(tài)由助動詞be過去分詞構(gòu)成

5、。配人教版英語必修配人教版英語必修2 時態(tài)名稱主動語態(tài)形式被動語態(tài)形式例句一般現(xiàn)在時do/doesam/is/aredoneThe college entrance examination is given every year.一般過去時didwas/weredoneThe college entrance examination was given last month.一般將來時will do will bedoneThe college entrance examination will be given next month.現(xiàn)在進行時am/is/aredoingam/is/are

6、beingdoneThe college entrance examination is being given now.配人教版英語必修配人教版英語必修2 時態(tài)名稱主動語態(tài)形式被動語態(tài)形式例句過去進行時was/weredoingwas/were beingdoneThe college entrance examination was being given when the flood happened.現(xiàn)在完成時has/havedonehas/havebeendoneThe college entrance examination has been given every year si

7、nce 1978.過去完成時haddonehad beendoneThe college entrance examination had been given before the Cultural Revolution broke out.將來完成時will havedonewill have beendoneShe will have been sent home by that time.過去將來完成時wouldhavedonewould have beendoneShe would have been sent home by that time.配人教版英語必修配人教版英語必修2

8、.句型轉(zhuǎn)換1According to the report, the new railway station in Qingdao looks very western._ _ _ _ the new railway station in Qingdao looks very western.2The city officials have made a plan to turn Beijing into a green city.A plan _ _ _ to turn Beijing into a green city.配人教版英語必修配人教版英語必修2 3The volunteers a

9、re collecting money to help set up a library.Money _ _ _ by the volunteers to help set up a library.4The Peoples Republic of China came into being on October 1, 1949.The Peoples Republic of China _ _on October 1, 1949.配人教版英語必修配人教版英語必修2 5By 2015, China will have built more miles of railway.By 2015, m

10、ore miles of railway _ _ _ _ by China.【答案】1It is reported that2.has been made3.is being collected4.was founded5.will have been built配人教版英語必修配人教版英語必修2 .單句改錯1Someone has been heard enter the next room._2This book is well worth being read._3It has decided that they can take whatever they like. _4Pay at

11、tention to make notes when attending lectures. _5The sick child must be taken good care._配人教版英語必修配人教版英語必修2 【答案】1enter 前加to 2.being read 改為reading3decided 前面加 been4.make 改為making5care 后加 of配人教版英語必修配人教版英語必修2 .句型轉(zhuǎn)換1We are discussing whether we will go to the zoo next week.(變?yōu)楸粍诱Z態(tài))_2The children are pla

12、nting trees near the river.(變?yōu)楸粍诱Z態(tài))_配人教版英語必修配人教版英語必修2 3A bridge is being constructed now.(變?yōu)橥x句)_4When did you buy this book？(變?yōu)楸粍诱Z態(tài))_5A heavy basket full of apples is being carried by Tom.(變?yōu)橹鲃诱Z態(tài))_配人教版英語必修配人教版英語必修2 【答案】1Whether we will go to the zoo next week is being discussed (by us)/It is being

13、discussed whether we will go to the zoo next week.2Trees are being planted near the river by the children.3A bridge is under construction now.4When was this book bought (by you)?5Tom is carrying a heavy basket full of apples.配人教版英語必修配人教版英語必修2 .用括號內(nèi)所給單詞的正確形式填空。Scientists say that the total number of

14、species 1._(loss) each year may reach 40,000. If nothing 2._ (do), we may find ourselves alone on this planet in future.配人教版英語必修配人教版英語必修2 The Malayan sun bear (馬來熊) is among the animals that need our help. They live in forests that 3._ (destroy) by people who are cutting down the trees and 4._ (use)

15、 the land for farming. Their cutting down the trees to build roads also makes 5._ easier for 6._ (hunt) to find the bears. 7._ the trees, the bears cant find enough food, so they have to 8._ (look) for food on farms, and many of them 9._ (shoot)or 10._(trap) by farmers.配人教版英語必修配人教版英語必修2 Rhinos have been on the earth for a long time.There used to be many different species of rhinos, 11._ (include) one that was six meters high and nine meters long! Today there are only five species 12._ (leave)，and they are all 13._ (endanger). Thirty years ago, there were about 65,000 black rhinos in Africa