序数词的变化规则

序数词的变化规则它在二楼_英语中基数词变为序数词时，一般在基数词后面th,但有几个词变化特殊，请记住下面这个口诀：一，二，三特殊记 八加h 九去e 五和十二变ve ve 要用f 替 整十基数变序数，先把ty 变成tie 要是遇到两位数，十位基数个位序one first two second three third four fourth five fifth six sixth seven seventh eight eighth nine ninth ten tenth eleven eleventh twelve twelfth thirteen thirteenth fourteen fourteenth fifteen fifteenth sixteen sixteenth seventeen seventeenth eighteen eighteenth nineteen nineteenth twenty twentieth twenty-one twenty-first twenty-two twenty-second twenty-three twenty-third twenty-four twenty-fourth twenty-five twenty-fifth twenty-six twenty-sixth twenty-seven twenty-seventh twenty-eight twenty-eighth twenty-nine twenty-ninth thirty thirtieth即学即用写出下列单词的序数词1.one_ 2.two _3three_4 four_5.five_ 6eight_7nine_8twelve_9twenty_ 10 twenty-six_选词填空11.I have_(two,second)toy cars.12.I live on _(second,the second)floor.13.She is in_( the first,one)room. Fun time这是南希在她的新学校的教室。如果名词是以-S结尾，则只在该名词后面加 来构成所有格 my parents bedroom用and连接的并列名词的所有格要分两种情况：当表示各自的所有关系时，要分别在并列名词后加s ,表示共同的所有关系时，只在最后一个名词后加sToms and Jims rooms 汤姆的房间和吉姆的房间Tom and Jims rooms 汤姆和吉姆（共有）的房间用所给词的适当形式填空Thats_(Mike)book.Those are my_(brothers)rooms. Sound time爱丽斯和我唱歌跳舞，还喝了一些美味的果汁_辅音字母C 的发音规则：Cinema, dance,ice,juice 和nice中的字母c在开音节中发/s/,发音时双唇微开，上下齿接近于合拢状态，舌尖抵住下齿龈，气流从牙缝送出。在元音字母e,i 和半元音字母y前也读/s/,如：cite,city,cell,circle,cycle,centre.判断每组单词发音