《復數(shù)whatarethese》PPT課件.ppt

1、可數(shù)名詞復數(shù),These, those, they What are these?,1.this（這）和that（那）在這個句型里是指示代名詞的用法，用來代替單數(shù)的物品，而it可以用來代替this或that，無距離上的差別。 2.this和that也常做指示形容詞，后面接單數(shù)的名詞。如：This book is great.,3.如果談論到的物品只有一件，須在物品名詞前加上 “a” 或者 “an”。名詞為子音開頭加上 “a”，例：a ruler；a desk；a white board若為元音開頭加上 “an”，例：an apple；an eraser；an elephant,一、以疑問詞wh

2、at為首的疑問句及答句（單數(shù)）this is以及What is it? 沒有縮寫形式。,二、以疑問詞what為首的疑問句及答句（復數(shù)）,1.these和those也常做指示形容詞，后面接復數(shù)的名詞。如：These books are great. 2.如果談論到的物品不只有一件，須在物品名詞后加上 “s”、“es”、“ies” 表示復數(shù)。,(一)根據(jù)提示，完成問語和答句例如：this / notebookA：What is this?B：This is a notebook. 或者It is a notebook.,1.that / markerA：What is that?B：That /

3、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)根據(jù)提示，回答問題例如：What are these?（book）These / They are books.,1.What are these?（letter）Thes

4、e / They are letters. 2.What are those?（glass）Those / They are glasses.,3.What are they?（marker彩色筆；麥克筆）They are markers. 4.What are these?（cherry櫻桃）These / They are cherries. 5.What are they?（watch）They are watches,以be動詞為首的疑問句及答句(單數(shù)）,1.簡答時，一律用 “it” 回答。2.肯定簡答，it和is不可以縮寫，只能寫成Yes, it is.3.否定簡答，除了No, it

5、 is not. 還可寫成No,its not. 或者No, it isnt.,四、以be動詞為首的疑問句及答句（復數(shù)）,1.簡答時，一律用 “they”回答。2.肯定簡答，they和are不可以縮寫，只能寫成Yes, they are.3.否定簡答，除了No, they are not. 還可寫成No,theyrenot. 或者No, theyarent.,例如：Is this a telephone? Yes,it is.Is that a desk? No,it is not. （縮寫its not或it isnt亦可）,1.A：Is it a bag? B：Yes, it is. 2.

6、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動詞后面加上not，變成否定句。,3.否定句改疑問句時,可將not留在原位，也可移到句首，但是移到句首時，必須和be動詞縮寫，如isnt或ar

7、ent。（注意：am not沒有縮寫）,1.將be動詞移到主詞前面，加上問號，變成疑問句。,4.否定疑問句,否定疑問句和肯定疑問句的回答相同，皆根據(jù)事實回答Yes或No。例如：Are they books? 由圖可知要回答：Yes, they are.,(四)根據(jù)提示，改寫問題,1.It is a chair.（改成疑問句） Is it a chair? 2.These are watches.（改成否定句） These are not watches.,3.That is not a comic book.（改成疑問句） Is that not a comic book? 或: Isnt that a comic book? 4.They are c