1、Unit 4Wheres my schoolbag?,第一課時Section A(1a1c),1方位介詞on，in，under的用法 on，in，under三者都是方位介詞，后跟名詞或代詞構(gòu)成介詞短語，表示所處的不同位置。 (1)on“在上”，指一物體在另一物體的表面上。 (2)in“在里面”，指一物體在另一物體的內(nèi)部。 (3)under“在下”，指一物體在另一物體的正下方，兩物體不接觸。 表示某物或某人在某方位時，常用句型為：主語(人或物)am/is/are介詞短語(表地點)。,2Wheres my schoolbag？我的書包在哪？ 這是由where放在句首引導(dǎo)的特殊疑問句。where是特

2、殊疑問詞，意為“在哪兒，在哪里”，用來詢問某人或某物所在的位置。句型結(jié)構(gòu)為：Whereis/are主語(人或物)？意為“某人或某物在哪兒？”回答時不用yes或no，應(yīng)用句型：主語is/are表示地點的介詞短語。主語一般用it(he，she)或they來代替問句中的單數(shù)或復(fù)數(shù)主語。,一、根據(jù)句意及圖示，用恰當?shù)慕樵~填空。 1The dog is _the box. 2The quilt is _the bed. 3Bobs pencil box is _the desk and his schoolbag is _the desk. 4Her books are _the bookcase. 5

3、Lilys watch is _the chair.,on,on,under,in,under,in,C,C,二、單項選擇。 6.Where are your books? _ on the sofa. AItsBThey CTheyre DIt 7Are the erasers in the box? No，_ Ait isnt Bit is Cthey arent Dthey are,8_ is my watch? Its on the desk. AHow BWhere CWho DWhat 9Where are her _？ _ are on the table. Akey，It Bk

4、eys，They Ckeys，It Dkey，They,B,B,10.Where is your pen? Its _ the desk. Ain Bof Cunder Don,C,under the sofa,三、根據(jù)句意及漢語提示完成句子。 11Is her dictionary _(在沙發(fā)下)? 12Where are my books? Theyre _(在課桌內(nèi)) 13Your _(電腦游戲) is _(在書柜上) 14Wheres my pen? Its _(在椅子上) 15Where is my schoolbag? Its _(在床上),in the desk,computer

5、 game,on the bookcase,on the chair,on the bed,四、按要求完成句子。 16The computer is on the table.(改為一般疑問句) _the computer _the table? 17His keys are in_the_bag(對畫線部分提問) _his keys? 18The_key is on the table.(對畫線部分提問) _on the table? 19The ruler is in the pencil box.(改為一般疑問句) _in the pencil box? 20Is it in your bag？(作否定回答) _，it _,I