新概念英語(yǔ)第一冊(cè)Lesson-2930課件-2

1、There is +a/an +單數(shù)可數(shù)名詞some + 不可數(shù)名詞+ 介詞短語(yǔ)There be (復(fù)數(shù))There are + some/數(shù)字+可數(shù)名詞復(fù)數(shù) +介詞短語(yǔ)There be (單數(shù))Review1.There is an electric cooker in the kitchen.2.There is a refrigerator in the kitchen.3.There are some plates on the cooker.4.There are some trousers on the bed.將下列句子變成否定句及一般疑問(wèn)句，并做出肯定及否定回答。Lesson

2、29New words and expressions關(guān)門臥室不整齊必須，應(yīng)該打開(kāi)使通風(fēng)，換換空氣放置衣服大衣柜撣掉灰塵打掃shut bedroom untidymust open air put clothes wardrobe sweep dust Key words(重點(diǎn)單詞)1. untidy adj. 亂，不整齊 構(gòu)詞法：un + tidy=untidy un為否定前綴 e.g. happy-unhappy2. must 必須 ，應(yīng)該(情態(tài)動(dòng)詞) 用法： must + 動(dòng)詞原形 (must沒(méi)有人稱和數(shù)的變化) e.g. You must shut the door. （表示義務(wù)/命令

3、/必要） Key words(重點(diǎn)單詞)3. air v. 使通風(fēng)，換換空氣 e.g.Please open the window and air the room. n. 空氣/天空(不可數(shù))e.g. Birds fly in the air.4. put v. 放置 短語(yǔ)：put in. (把放進(jìn))e.g. Put the apple in my bag. 1.Are you a lazy(懶惰的) kid?2.How do you clean your bedroom?3.What must I do if I want to clean my bedroom?How must Amy

4、clean the floor?untidyThis bedrooms very untidy.What must I do?Open the window and air the room1put the clothes in the wardrobe2make the bed3dust the dressing table4sweep the floor5shutopen air put dust sweep make the door the windowthe room the clothes in the wardrobe the bed the dressing table the

5、 floor 鋪床 撣掉梳妝臺(tái)上的灰塵掃地關(guān)門開(kāi)窗戶給房間通風(fēng)把衣服放進(jìn)衣柜里What must I do?This bedrooms very untidy.This bedrooms very clean.How can we get a clean bedroom?open the windowair the roomput the clothes in the wardorbemake the beddust the dressing tablesweep the floorSummarymust的用法：1、must是情態(tài)動(dòng)詞。2、表示必須，不得不做的事情。 同時(shí)也可以表示不可推卸的責(zé)

6、 任。3、must后面要加動(dòng)詞原型。 must do （sth）Lesson 30 What must I do?我應(yīng)該做什么？Open Shut yourhandbagbookPut onTake offyourclothesshoesTurn onTurn offthelightrefrigeratorSweep thefloorkitchenClean thecarwindowDust thedressingtabletableEmpty thecupbottleRead thisnewspapermagazineSharpen thesepencilsSummary1.用于表達(dá)命令、請(qǐng)求、 勸告、警告、禁止等的句子叫做祈使句。2.祈使句最常用于表達(dá)命令。祈使句：如：Open the book；Go out；Come in