人教版高中英语必修四unit2-Working-the-land-Period4Grammar课件(

1、Book 4 unit 2 Working the LandPeriod 4 GrammarV-ing form as the subject and object Master the sentence patterns with v-ing being the subjectLearn some verbs (phrases) and prepositions with v-ing being the objectUnderstand the differences between “v+ ving” and “v+ to do”Learning Objectives一、V-ing 作主语

2、Football is his favorite sport (play) football is his favorite sportPlaying1. V-ing 位于句首作主语 (have) enough food leads to poor healthNot havingv-ing的否定: not doing3. 没有足够的食物会导致健康不佳1. Swimming is good, but to swim in such a dirty river is bad for your healthBeing invited v-ing 作主语表示普遍的动作或经验to do 作主语表示具体

3、的或将来的动作v-ing的被动：being done 2. (invite) to this party was a great honor to him4. Watching a family of chimps wake up is the first activity of the day.单个V-ing作句首主语时，谓语动词用单数5. Listening to violin music and swimming (be) his hobbies两个及以上的表达不同意义的v-ing 作主语，谓动用复数is6. Getting up early and going to bed early

4、 (be) good for your health.are两个及以上v-ing 作主语，表达一个整体概念，谓动用单数Playing too many computer games isno good.Itisno goodplaying too much computer games .一、V-ing 作主语2. V-ing位于句末作主语,句首it作形式主语It is a waste of time/money/ doing sthIt is no n. (good/ use/ fun/pleasure) doing sthIt is adj. ( useless/worth) doing

5、sth掌握一、V-ing 作主语2. V-ing位于句末作主语,句首it作形式主语There is no point/sense doing sth 做某事没有意义/道理1）It is a waste of time/money doing sthIt is a waste of time spending too much time on computer games.一、V-ing 作主语2. V-ing位于句末作主语,句首it作形式主语2)It is no n.(good/use/fun/pleasure) doingIt is no use crying over spilt milk

6、一、V-ing 作主语2. V-ing位于句末作主语,句首it作形式主语(覆水难收)It is not good (arrive) late for a meeting. to arrive3）It is adj.(useless/worth/) doing一、V-ing 作主语2. V-ing位于句末作主语,句首it作形式主语It is useless worrying about it.practisequarrelling (collect) stamps is interesting.There is no point (quarrel) with him It is no pleas

7、ure (watch) cartoons for her.Collectingwatching二、V-ing 作宾语V-ing 作动词宾语&介词宾语动宾介宾1. V-ing 作动词 宾语只能用V-ing做宾语的动词如：admit, allow, avoid, cant help, consider, dislike, enjoy, finish, forbid, keep, mind(介意) , miss(错过), permit, practice, quit, suggest, etc.二、V-ing 作宾语积累识记+doingpractiseThey are considering _ (

8、buy) a bigger houseHe couldnt help (cry) when she heard the news. He couldnt help (wash)the clothes.We dont permit (smoke) in the office.Please permit me (give) you some advice.buyingcryingto washsmokingto giveconsider doing sthcant help doing cant help to dopermit doing sthpermit sb to do2. V-ing 作

9、介词 宾语二、V-ing 作宾语He sat there without saying anything.He saw the great need for increasing the output.They focus on keeping the soil rich.Britons are used to driving on the right介+v-ing动+介+v-ingon ,off, in, at, to, after, before, of, from, for, against, by , about, with, without积累识记这些词组中to 为介词，接v-ing

10、 作宾语look forward to (期待）pay attention to （注意）contribute to (有助于)lead to (导致)object to (反对)stick to （坚持)due to (由于)limit to （局限于)be devoted to（致力于） be addicted to （沉迷于） be similar to (类似于)be equal to（胜任)注意：be used to doing 习惯做某事 used to do 过去常常做某事The kids get paid for (do) housework.My father gave up

11、 (smoke) many years agoHe object to (treat) like childI am equal to (perform) this duty He used to (work) until midnight.practisedoingsmokingbeing treatedperformingworkfor doinggive up doing sthobject to doing sthbe equal to doingused to do1. V+ v-ing = v+ to do（意思上相近)三、特殊情况+ doing sth+ to do sth打算开

12、始继续喜欢Tom began to do his homeworkTom began doing his homeworkintendbegin/startcontinuelike/hate/love/prefer2. v+ing v+ to do(forget remember regret) Regret doing 遗憾做过 Regret to do 对要做某事表示遗憾 forget doing 忘记做过 forget to do 忘记要去做 remember doing 记得做过 remember to do 记得要去做I regretted punishing him the oth

13、er day. I regret to tell you that you are fired.三、特殊情况 go on doing 继续正在做的事 go on to do 继续去做另一件事 stop doing 停下来正在做的事 stop to do 停下来去做另一件事三、特殊情况3. v+ing v+ to do(stop go on)Hearing the doorbell, she stopped washing the dishes. Hearing the doorbell, she stopped to open the door.4. V+ ingv+ to dotry mea

14、n 意味着 mean doing 打算/故意做 mean to do 尝试着做 try doing努力去做 try to doMissing this train means waiting for another hourI dont mean to hurt you.三、特殊情况5. need/want/ require to doneed/ want/require doingVS主语常为物，表被动三、特殊情况I need to take some exercises.The flower needs watering.主语常为人6. 固定句型1）做某事有困难/麻烦2）做某事很开心三、特

15、殊情况have difficulty/trouble/problem/ doing sthhave a hard time doing sthhave fun doing sthhave a good time doing sth掌握3）花时间做某事、浪费时间做某事Spend/waste time doing 四、ExercisesIn western countries, _ (arrive) too early for a dinner is considered bad manners. It is no good （talk）to him. When she heard her son

16、 had been injured in the accident, she couldnt help _(cry) out.arrivingtalkingcrying1. V-ing作句首主语2. It is no good +doing sth3. V (cant help) +doing After (graduate) from college, we finally got the chance to take a bike tripMaking Internet friends is similar to _ (make)pen pals. Every day the studen

17、ts spend three hours _(do) their homework. 四、Exercisesgraduatingmakingdoing1. 介+doing2. 动+介+doing3. spend .doingAs a result of the serious flood, two-thirds of the buildings in the area _.A. need repairingB. needs to repairC. needs repairingD. need to repair四、ExercisesSth need doing 某物需要做，表被动Sb need

18、 to do sth 某人需要做某事I still remember _ to see films in the open air when I was small.A. to takeB. taking C. being takenD. to be taken四、ExercisesRemember doing 记得做过某事Remember to do sth 记得要去做 某事Susan wanted to be independent of her parents. She tried _ alone, but she didnt like it and moved back home. A. living B