七年级英语上册 Unit 7 How much are these socks（第2课时）Section A（Grammar Focus3c）课件 （新版）人教新目标版.ppt

r七年级上册 sectiona第2课时 unit7howmucharethesesocks howmuchisthehat 这顶帽子多少钱 howmucharethoseblacktrousers 那些黑色的裤子多少钱 询问价格常用疑问句型howmuch 意为 多少钱 其同义结构 what sthepriceof what sthepriceofthepen 这支钢笔的价格是多少 基数词仔细观察例句 体会并写出基数词的构成规律 1 ihavefourpens fivepencils sixerasersandtwelvebooks 1 12的基数词无规律 2 thirteenboysandeighteengirlsareintheclassroom 十三到十九 七个词词尾都有teen 3 twentyandthirtyisfifty 从二十开始 整十位数二十到九十 八个词词尾都有ty 4 thetrousersaretwenty sevendollars 表示几十几的数字 两词中间加 1 基数词的表达法 巧学妙记 基数词不难记 找清规律很容易 十二以内词各异 十三数到十九去 后加teen莫忘记 二十 三十 至九十 整十之后有ty 个位到十位 中间连字符 别忘记 十位到百位 中间and别忘记 2 基数词的用法 1 基数词只能修饰可数名词 要注意数词和名词在数上要保持一致 twocups两个杯子twentyapples二十个苹果 2 表示编号时 用 事物 基数词 例如 classfour四班room302302房间 3 表示年龄 heisfortyyearsold 他四十岁了 4 表示时刻 5 34读作fivethirty four9 28读作ninetwenty eight t shirt hattrousers skirtsweater socksshorts shoesjacket bag makesentencesinthechartwiththewordsinthethreeboxes yellow greenpurple bluebrown redwhite black thethisthatthesethose thepurplehat thisgreenskirt thatredbag thatwhiteskirt thebluet shirt thebrownsocks theredshoes theseblueshorts thosepurplesocks theblackshorts 1 howmuchisthehat 2 howmuchisthebag 3 howmuchisthet shirt 4 they rethreedollars 5 it sninedollars 6 it seightdollars it sfivedollars it stendollars it ssixdollars howmucharethesocks howmuchisthesweater howmuchistheskirt lookatthepicturesandwritethequestionsandanswers studenta lookatthepicturesin3bforaminuteandthencloseyourbook studentb askquestions howmucharethesocks umm they rethreedollars 用所给词的适当形式填空1 myclothes be redandwhite 2 thesetrousersaregood i lltake they 3 howmuch be thechicken 4 whatcolorshe want 5 idon tknowthetwo woman are them is does want women exercise 单项选择1 arethoseyourshorts yes a theyareb thatisc itisd iam2 iwanttobuypants a ab thisc thesed that 3 canihelpyou ineedabasketball a no thanksb yes pleasec yes youcand no youcan t4 thehatisnice butit stooforme ilikeasmallone a smallb bigc