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1、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
2、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 i
3、s 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 / The
4、y 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
5、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 c
6、omputer 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）,
7、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!,
