人教英語新課標必修2全冊精品教案(Unit 2 The Olympic Games)

warming up by discovering useful words and expressionsturn to page 11 and do exercises 1, 2, 3 and 5 first. check your answers against your classmates’.ii. learning about word formation1. do exercise 4 and discover the rules.turn to page 12 and find out the rules of word formation.by adding -ing to a verb, we can change the verb into a noun.that means we can change “doing some sport” into “the name of the sport”.by adding -er to a verb, we can change the verb into a noun. that means we can change “doing some sport” into “the person who does the sport”.2. means of word-formation in generalaffixation, conversion, and composition (or compounding) are the chief means of word-formation in english. besides these, there are also other minor ways of word-formation including clipping, acronymy, blending etc. iii. learning about present future passive voiceturn to page 13 and do exercise 3. and tell the class the formation of present future passive voice.for reference: well done, class. we can follow the following formlation to turn the future tenses into future passive voice; be going to be done, be about to be done, be to be done, will / shall be done, would / should be done.ⅳ closing down by summarizing1.present future passive voice (take “ask” for example)affirmativenegativeinterrogativei  you he/she/it will    be askedwe will (shall)you/they willi  you he/she/it will not     be askedwe will (shall) notyou / they will notwill (shall) iwill youwill he/she/it    be askedwill (shall) wewill you / they2.the passive voice of phrasal verbgenerally speaking, only transitive verbs can form the passive voice, for only transitive verbs can be followed by objects. but many intransitive verbs together with some prepositions and adverbs can be used as transitive verbs. so they can also be followed by the objects. therefore they can also be used in passive voice.but note that all the phrasal verbs are used as a whole. when using them in passive voice, we cannot drop out the prepositions and adverbs. for examples:at last they put out the fire.      at last the fire was put out.they will put up a notice on the wall.     a notice will be put up on the wall.have you sent for a doctor?      has the doctor been sent for?i have never heard of such a thing before.     such a thing has never been heard of before.