人教新目标 (Go for it) 版七年级上册Unit 8 When is your birthday?Section A授课ppt课件
展开1. first ____________2. secnd _____________3. third _____________4. fifth _____________5. eighth _____________6. ninth _____________7. twelfth _____________8. twentieth _____________
first secnd third furth fifth sixth seventh eighth ninth tenth eleventh twelfth thirteenth furteenth fifteenth sixteenth seventeenth eighteenth nineteenth twentieth twenty-first twenty-secnd twenty-third twenty-furth twenty-fifth twenty-sixth twenty-seventhtwenty-eighth twenty-ninth thirtieth thirty-first
表示事物的顺序的数词叫序数词。它的作用相当于名词或形容词,可作主语、宾语、定语或表语。
基数词要变为序数词是有规律可循的,其方法及具体示例如下:
twenty—twentieth thirty—thirtieth
six—sixth seventeen—seventeenth
一般情况下在基数词后加-th
整十的序数词的构成是把对应的基数词末尾的y变为ie,再加-th
两位或两位以上的基数词变为序数词时,只将个位数变为序数词
twenty tw— twenty-secnd
特殊变化的基数词1、2、3、5、8、9等需单独记忆
ne—first tw—secnd three—third five—fifth eight—eighth nine—ninth
基变序,有规律。 1,2,3,特殊记;结尾时,t,d,d; 从第4,加 th; 8加h,9去e; 5和12,也好记,f来把 ve 替; 若要表示整十数,词尾y, 变 ie; th 接上莫迟疑,如要表示几十几, 只变个位就可以。
Match the questins and answers.
Cmplete the cnversatin and practice it with yur partner.
A: Hw____ are yu, Grace?B: _____ twelve.A: And ______ is yur birthday?B: My ________ is n March 12th. Hw abut yu and Tm?A: Well, my birthday is ____ July 5th, and Tm’s birthday is ___ December.
Find ut yur grup members’ birthdays and ages. Line up frm the yungest t the ldest.
Hw abut yu and Tm? 你和汤姆怎么样?
hw abut用来提出请求、建议或征求对方意见, 意为“ (你认为) ……怎么样? ……如何? ”后跟名词、代词或v. -ing。
常用来表示建议的句型①Hw /What abut +ding ……怎么样? ②Why dn’t yu +d 为什么不……? ③Let’s d. . . ! 让我们做……吧!
Language pints
find ut 查清;弄明白
Jim’s mther is lking fr her cat. 吉姆的妈妈在找她的猫。
多指通过调查、询问、打听、研究之后“搞清楚、弄明白”
Ⅰ. 用所给词的适当形式填空1. March 6th is my (twenty) birthday. 2. I’m the (ne) student t cme here. 3. Mike and Tm (be) 13 years ld. 4. Tday is (Bb) birthday. 5. The baby is five (mnth) ld.
Ⅱ. 单项选择1. Hw ld yur father? A. are B. is C. des D. d2. I like March best. Hw abut ? A. she B. he C. his D. her3. The last mnth f a year is . A. February B. Nvember C. December D. Octber
4. —When is yur birthday? —It’s n . A. day B. June C. June 5th D. twelve5. —We will g fr a trip. — . A. See yu B. Yu are welcme C. Excuse me D. Have a gd time
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