Unit 3 语法知识 2022-2023学年人教版英语八年级下册

Unit 3 Could you please clean your room? 情态动词 1. Could you (please)+动词原形+..?请你…好吗?发出请求 1) 肯定回答:Yes, I can. \ Yes, sure.\ No problem. 2) 否定回答:Sorry, I can' t. I’m afraid I can’t. 2. Could I +动词原形+…? 我可以….時?请求允许。 1) 肯定回答:Yes, you can. Yes, please. 2) 否定回答:Sorry, you can' t. I’m afraid you can’t. 考点:以could开头的表示礼貌地发出请求或请求允许的疑问句,简略回答不能用could /couldn’t要用can\can't. 1. Two hours of TV is enough for you. 短语(名词短语、现在分词短语、不定式短语)作主语,谓语动词用单数 2. She won't be happy if she sees this mess. 1)当主句是一般将来时,条件状语从句和时间状语从句用一般现在时表示将来。(主将从现) 2) mess n. 杂乱 in a mess; messy adj. 凌乱的 3)clean and tidy 干浄整洁的 3. The minute l sat down in front of the TV, my mom came over. 我一坐到电视剧前面,我妈妈就过来了。 1) the minute一…就…=as soon as =the moment 引导时间状语从句,用一般现在时表示将来(主将从现) e.g.I will write to you the minute I get to Bei Jing. 2) in front of和 in the front of in front of 在...前面(范国外); in the front of 在..前部(范国内) e.g. There is a big tree in front of the building. 楼前有一棵大树。 e.g. There is a table in the front of the room. 屋子前面放着一张桌子。 3)come over 过来,顺便拜访 4. I' m just as tired as you are. =You are tired, but I am tired, too. 肯定:as + adj / adv. 原级+as 和......一样 e.g. I am as tall as you. as busy as a bee 像蜜蜂一样忙碌 as easy as ABC 像ABC一样容易 as deep as a well 像井一样深 as light as a feather 像羽毛一样轻 否定:not as / so + adj /adv. 原级+as 不如 e.g.He doesn't study as/so hard as his brother. 5 she did not do any housework and neither did! 她没做任何家务,我也没做。 Neither 两者都不:也不 1) neither+系动/助动/情动+主语=宾语+neither 例如:neither did I=Me neither也不(前面的否定情况也适合后者)。 反义词 so+系动助动、情动+主语(主格)=宾语+too 例如:so did I=me, too 2) neither of+ 可数名词复数:作主语时,谓语动词一般用单数,但是口语常用复数。 e.g. Neither of the answers is right. 两个答案都不対。 3) Neither…Nor… 都不,连接两个井列的主语,谓语动词就近原则 e.g. Neither my mum nor I like red. = Neither I nor my mum likes red. 6.borrow. lend 和 keep 原型 过去式 过去分词 现在分词 备注 borrow borrowed borrowed borrowing 非延续性动词 lend lent lent lending 非延续性动词 keep kept kept keeping 延续性动词 borrow借入,borrow sth from sb 从某人那里借某物; e.g.I borrowed a book from Lucy. lend借出,lend sth to sb=lend sb sth 借某物给某人; e,g, Lu