人教版七年级英语上册Unit 4 Section A (Grammar Focus-3c)(15张PPT).ppt

Unit 4 Wheres my schoolbag?,The Second Period Section A (Grammar Focus-3c),Warming up,Please make conversations according to the pictures.,Wheres = Where is,3a Look at the pictures and complete the conversations.,1,2,3,are,on,table,book,Is,under,are,Are,schoolbag,3b Ask and answer questions about the things on the right.,3b Ask and answer questions about the things on the right.,参考答案： A: Where are the books? B: Theyre on the sofa. A: Wheres the computer game?Is it on the sofa,too? B: No,it isnt.Its in the bookcase. A: Where are the pencils? B: I dont know.Are they in the pencil box? A: Yes,they are.,3c Student A, look at the picture on page 19. Student B, look at the picture on the right. Ask and answer questions to find the differences.,A: Wheres the schoolbag? Is it under the table? B: No, it isnt. Its on the table.,3c Student A, look at the picture on page 19. Student B, look at the picture on the right. Ask and answer questions to find the differences.,参考答案： A: Where are the books?Are they on the sofa? B: No,they arent. Theyre on the bed. A: Wheres the pencil box?Is it in the schoolbag? B: No,it isnt. Its on the tea table. A: Where are the keys? Are they on the table? B: No,they arent. Theyre under the sofa.,语法拓展,一、where引导的特殊疑问句 1.用法：该特殊疑问句用来询问人或物所在的位置，其结构为“where is +单数名词？”或“where are+复数名词？”。也就是说where后面be动词是用is还是are取决于be动词后面的名词或代词的单复数。单数用is,复数用are。 Wheres my hat? Where are your parents? 2.答语：where引导的特殊疑问句答语有以下三种形式。 （1）用Its+介词短语（对应Where is.?）或Theyre+介词短语（对应Where are.?）。 Wheres my hat? Its on your head?,语法拓展,（2）可直接回答物品所在地点，省略its或theyre。 Where are your parents? (They are) In the room. （3）当你不知道在哪里，可用“I dont know”来回答，意为“我不知道”。 Wheres my bag? I dont know. 注意：dont=do not,其中do是助动词，当主语为第三人称单数时，助动词应用does,与not缩写为doesnt。 She doesnt know.,语法拓展,二、介词in,on与under的用法 1.in意为“在里面，在内”通常表示在某一空间里。 My ring is in the bag. 【拓展】in还可以表示地点、在某年、月、世纪、早上、晚上等及使用什么语言。 如：in Wuhan；in the morning；in 2014；in English 2.on意为“在上面”，表示物体间有面的直接接触。 A cup is on the desk. 【拓展】on也可表示时间（后接具体某一天）。如：on Monday在星期一 3.under意为“在下面”。 如：under the desk在课桌下,Exercise,一、从方框中选择合适的介词填空。（可重复使用） 1.Whats that _ English? 2.The baseball is _ the chair,on the floor. 3.The pictures are _ the sofa. 4.The books are _ the bookstore. 5.I am _ school.,in,on in under at,under,on,in,at,二、按要求完成句子。 1.Your keys are on the bed.(对画线部分提问) _ _ your keys? 2.Is the book under the desk?(作否定回答) _,_ _. 3.Where are the keys?(用“在沙发上”作答) Its _ _ _. 4.我的书包不在床上。(汉译英) My schoolbag _ _on the bed.,W