unit 3 Could you please clean your room 知识点和短语默写 Could you please... 用法：用于礼貌地提出请求的句型，意为“请你……好吗？”。其后接动词原形 否定形式是“Could you please not... ”，意为“请你不要……好吗？”。 例：Could you please open the window （请你打开窗户好吗？） Could you please not talk so loudly （请你不要这么大声说话好吗？） 练习： 完成句子：Could you please _____ (递给) me the book on the table 改写句子：Please turn off the TV.（改为Could you please... 句型） _____ do the dishes 含义：意为“洗餐具”，是一个常用的动词短语。 例：I have to do the dishes after dinner.（晚饭后我得洗餐具。） 练习： 单项选择：My mother asks me to _____ every day. A. do the dishes B. do my homework C. do sports 翻译句子：她正在洗餐具。_____ sweep the floor 意思：“扫地”，同样是常见的家务劳动相关短语。 例：He sweeps the floor every Sunday.（他每个星期天都扫地。） 练习： 用所给词的适当形式填空：1. My sister often _____ (sweep) the floor on weekends. 2.What are you doing B: I'm _____ the floor.（sweep） 与家务相关的英语短语 清洁类 do the cleaning sweep the floor mop the floor wipe the table clean the window 整理类 tidy up the room put away the toys arrange the bookshelves 洗衣类 do the laundry wash the clothes hang out the clothes 烹饪类 cook a meal make breakfast/lunch/dinner peel the vegetables 其他家务相关 take out the trash water the plants fix the broken chair 句型 Could I + 动词原形... 功能：用于委婉地征求许可，意为“我可以……吗？”。 肯定回答常用“Sure./ Certainly./ Of course.”等； 否定回答常用“Sorry, you can't./I'm afraid you can't. /No, you mustn’t.”等。 例：Could I use your pen Sure.（我可以用你的钢笔吗？当然可以。） 练习： 单项选择：Could I watch TV for a while _____ You have to finish your homework first. A. Yes, you could. B. No, you couldn't. C. Sorry, you can't. 补全对话：A: Could I go out to play football now B: _____, it's raining outside. —Could I have a look at your new watch —_____. Here you are. —Mum, could I go out for a while —_____. You have to wash your clothes first. while引导的时间状语从句 规则：while意为“当……时候”，强调主句和从句的动作同时发生，从句常用进行时态。 例：While I was reading, my mother was cooking.（当我在读书时，我妈妈在做饭。） 练习： 用while连接句子：I was doing my homework. My sister was listening to music. _____ 单项选择：_____ I was walking in the park, I saw an old friend. A. While B. When C. Because 语法 过去进行时 构成：由“was/were + 动词的现在分词”构成。 例：I was sleeping at ten o'clock last night.（昨晚十点钟我正在睡觉。） They were playing football on the playground.（他们正在操场上踢足球。） 用法： 表示过去某一时刻或某一段时间正在进行的动作。常与at that time, at this time yesterday, from 7 to 9 last night等时间状语连用。 例：He was writing a letter at eight o'clock yesterday morning.（他昨天上午八点钟正在写信。） 过去进行时与一般过去时的区别：一般过去时表示过去某个时间发生的动作或存在的状态，强调动作的完成；而过去进行时强调动作在过去某一时间正在进行。 例：I read a book yesterday.（我昨天 ... ...
~~ 已预览到文档结尾了 ~~
