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可数名词复数,These, those, theyWhat are these?,1.this(这)和that(那)在这个句型里是指示代名词的用法,用来代替单数的物品,而it可以用来代替this或that,无距离上的差别。2.this和that也常做指示形容词,后面接单数的名词。如:This book is great.,3.如果谈论到的物品只有一件,须在物品名词前加上 “a” 或者 “an”。名词为子音开头加上 “a”,例:a ruler;a desk;a white board若为元音开头加上 “an”,例:an apple;an eraser;an elephant,一、以疑问词what为首的疑问句及答句(单数)this is以及What is it? 没有缩写形式。,二、以疑问词what为首的疑问句及答句(复数),1.these和those也常做指示形容词,后面接复数的名词。如:These books are great.2.如果谈论到的物品不只有一件,须在物品名词后加上 “s”、“es”、“ies” 表示复数。,(一)根据提示,完成问语和答句例如:this / notebookA:What is this?B:This is a notebook.或者It is a notebook.,1.that / markerA:What is that?B:That / It is a marker.2.it / eraserA:What is it?B:It is an eraser.5.it / mapA:What is it?B:It is a map.,3.this / book bagA:What is this?B:It / This is a book bag.4.that / watchA:What is that?B:That / It is a watch.,(二)根据提示,回答问题例如:What are these?(book)These / They are books.,1.What are these?(letter)These / They are letters.2.What are those?(glass)Those / They are glasses.,3.What are they?(marker彩色笔;麦克笔)They are markers.4.What are these?(cherry樱桃)These / They are cherries.5.What are they?(watch)They are watches,以be动词为首的疑问句及答句(单数),1.简答时,一律用 “it” 回答。2.肯定简答,it和is不可以缩写,只能写成Yes, it is.3.否定简答,除了No, it is not. 还可写成No,its not. 或者No, it isnt.,四、以be动词为首的疑问句及答句(复数),1.简答时,一律用 “they”回答。2.肯定简答,they和are不可以缩写,只能写成Yes, they are.3.否定简答,除了No, they are not. 还可写成No,theyrenot. 或者No, theyarent.,例如:Is this a telephone? Yes,it is.Is that a desk? No,it is not.(缩写its not或it isnt亦可),1.A:Is it a bag?B:Yes, it is.2.A:Is this a computer game?B:No, it isnt. No, its not.,3.A:Is that a map?B:Yes,it is.4.A:Are they erasers?B:Yes,they are.,5.A:Are these letters?B:No,they arent. No, theyre not.6.A:Are those note books?B:Yes, they are.,2.在be动词后面加上not,变成否定句。,3.否定句改疑问句时,可将not留在原位,也可移到句首,但是移到句首时,必须和be动词缩写,如isnt或arent。(注意:am not没有缩写),1.将be动词移到主词前面,加上问号,变成疑问句。,4.否定疑问句,否定疑问句和肯定疑问句的回答相同,皆根据事实回答Yes或No。例如:Are they books? 由图可知要回答:Yes, they are.,(四)根据提示,改写问题,1.It is a chair.(改成疑问句) Is it a chair?2.These are watches.(改成否定句) These are not watches.,3.That is not a comic book.(改成疑问句) Is that not a comic book? 或: Isnt that a comic book?4.They are computer games.(改成疑问句) Are they computer games?,5.This isnt a good marker. 改成肯定句:This is a good marker.,Goodbye!,
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