Unit3 Could you please clean your room?知识点讲一讲1（section A）1.peter, could you please take out the rubbish? 彼得，请你去倒一下垃圾好吗？2. could you please sweep the floor? 请你把地扫一下好吗？（1）Could +主语+please +动词原形+……？（＝Could +主语+动词原形+……，please?）表示委婉地提出请求，意为“请……，好吗？”肯定回答：yes , sure / of course / certainly.否定回答：sorry, I can’t , I have to ……如：Could you please help me with my English ? ＝Could you help me with my English, please?请你帮助我学英语好吗？（2）take out :意为“带出去；取出”。
如：Take out the rubbish 把垃圾带出去即倒垃圾。
Please take out a piece of paper . 请把这张纸带出去。
Take …out ：把……带出去。
如：my father is taking me out to go for a drive. 我的父亲将带我出去开车。
[拓展] 与take有关的短句take off脱掉；（飞机）起飞take place 发生take part in 参加take care of 照顾take after 与…相像it take sb sometimes to do sth 做某事花费某人一些时间。
如：it took me two hours to do my homework. 做家务花费我两个小时的时间。
（3）sweep the floor ：意为“扫地”与“家务劳动”有关的短语：Take out the rubbish / trash 倒垃圾fold one’s clothes 叠衣服Clean the room 打扫房间make one’s the bed 铺床Do the dishes 洗餐具do the laundry 洗衣服Clean the floor 擦地板cook dinner 做饭3.you have to clean your room. 你不得不打扫你的房间。
（1）have to 表示“不得不”，而must 侧重于个人的主观意志。
如：did she have to pay a fine ? 她不得不交罚款吗？I must go there to help the poor. 我必须去那儿帮助那些穷人们。
4. I threw down my bag and went to the living room . 我扔下我的包，去客厅了。
（1）throw 意为“扔；掷”，过去式为threw；throw down 意为“扔下”。
如：I threw down the money and went out . 我扔下钱走了。
5. could I use your computer ? 我能用你的电脑吗？Sorry, I’m going to work on it now. 对不起，我现在打算用它工作。
（1）work on : 从事；忙于；在（用）……工作。
如：he has worked on his company for ten years. 他在他的公司工作十年了。
My brother works on writing 我的哥哥从事写作。
练一练11. — Could you please clean the room?— _____ I have to do my homework.A. Yes, sure.B. Why not?C. Sorry, you can’t.D. Sorry, I can’t.2. — Could I please ______?—Sorry, you can’t. Your mother has to use it.A. do choresB. go to the moviesC. use the carD. go to school3.— Mum, Could I go to Beijing with you?—Yes, ________. But you have to finish your homework first.A. you canB. you couldC. yo u can’tD. you couldn’t4. —Would you like to come to my birthday party?—I’d love to, ___________I’m too busy.A. andB. ifC. soD. but5.---Could I borrow your dictionary?---Yes, of course, you____.A. mightB. willC. canD. should6. we the trash that you leave.A. take offB. take outC. take afterD. take place7. ---It’s hot today, isn’t it ?--- yes, it is , why not your jacket?A. take careB. take placeC. take afterD. take off8. It me an hour to learn English today.A. takeB. take careC. take offD. take place9.If your clothes are dirty ,you need to ______________.A. do the dishesB. fold your clothes B. do the laundry D. sweep the floor10. After the washed clothes are dry, you need to _______________A. make your the bedB. fold your clothes B. do the laundry D. sweep the floor11. I go to school by bus because my home is far from the school.A. mustB. have toC. had toD. has to12. I be there on time.A. have toB. mustC. needD. musn’t13. 放学后我扔下书包就出去玩。
After school I the bag and went out to play.14. 在学校我忙于读书没有时间打乒乓球。
At school I reading did not have time to play table tennis.15. he has the education for thirty years.A. worked onB. worked inC. worked upD. worked after讲一讲21.表示“请求”的句型还有：（1）would you mind doing……？你介意……吗？同意回答：No, not at all 没问题（不介意）不同意回答：yes, I do mind 是的，我介意如：Would you mind cleaning your room ? 你介意打扫你的房间吗？Would you mind my closing the windows? 你介意我关上窗户吗/？（2）Would you like to do sth? 你想做某事吗？如：would you like to come to my party? 你想参加我的聚会吗？Would you like to go boating ? 你想去划船吗？（3）can / may / could / might + 主语+动词原形……？……可以吗？如：can I go home now？我现在能去你家吗？May we ask you some questions ? 我们可以问一些问题吗？Could you tell me where the post office is ? 你能告诉我邮局在哪儿吗？2. Tony, Could you please help out with a few things ? 托尼，你能帮助处理几件事吗？（1）help out with 给予帮助。
如：My mom always asking me to help out with my little sister我的妈妈总是要求我帮助我的小妹妹。
3.you watch TV all the time and never help out around the house. 你总是看电视从来不帮助做家务。
（1）all the time=always 意为“一直；总是”。
[拓展] 与time 有关的短句at times 有时from time to time 有时；偶尔at the same time 同时in time 及时on time 按时at once= right now 立刻；马上如：we must be here on time 我们必须按时到这儿。
（2）any minute now 随时马上如：The guests are arriving any minute now but we are still not ready.客人马上就到但我们还没准备。
4. Could you please pass me the salt? 你能把盐递给我吗？（1）pass后可以接双宾语：pass sb sth=pass sth to sb 意为“把某物递给某人”如：the waiter passed me the food. = the waiter passed the food to me 服务员把食物递给了我。
（2）pass 意为“通过”。
如：you’ll have to work hard if you want to pass exam. 如果你想通过考试就得用功。
5. Could I at least finish watching this show? 我至少可以看完这个节目吗？I finished reading it last night. 我昨天晚上读完了。