Lesson8 : First,Second,Third 1.Numbers This is a race. The girl is the first. The girl in White shirt is the second. The girl in pink blouse is the third. 1.Numbers 1.one 2.two 3.three 4.four 5.five 6.six 7.seven 8.eight 9.nine 10.ten 11.eleven 12.twelve 1.Numbers 1. first 2. second 3. third 4. fourth 5. fifth 6. sixth 7. seventh 8. eighth 9. ninth 10. tenth 11.eleventh 12. twelfth Lets count! 基變序，有規(guī)律，詞尾加上 th。 123，特殊記，詞尾字母 t,d,d. 8去 t,9去 e， f來把 ve替。 整十 y變 i， th前有小 e來。 基變續(xù)，有規(guī)律，詞尾加上 th; 一二三，特殊記，詞尾字母 t,d,d(first,second,third); 八去 t(eighth), 九去 e (ninth)， f來把 ve替 (five-fifth,twelve- twelfth); 單詞 ty作結(jié)尾， ty變成 tie(twenty-twentieth); 若是碰到幾十幾，只變個位就可以 (twenty-one-twenty-first). 序數(shù)詞表順序，一般需用定冠詞。 巧 記 口 訣 2.Days of the week Lets say the days of the week. Sunday is the first day of the week. Monday is the second day of the week. Tuesday is the third. Wednesday is the fourth. Thursday is the fifth. Friday is the sixth. Saturday is the seventh. 一、：寫出下列詞的序數(shù)詞 1. one 2.two 3. six 4.five 5. nine 6.twelve 7.eight 8.twenty-one 二、寫出下列單詞的基數(shù)詞 1.third 2.fourth 3.tenth 4.twentieth 5.nineteenth 6.thirty-first 基數(shù)詞和序數(shù)詞的練習(xí)題 選擇題 ( )1. There are days in a week. A. the seven B. seventh C. the seventh D. seven ( )2.Sunday is the day of a week. A. one B. first C. second ( )3. There are days in a week. A. the seven B. seventh C. the seventh D. seven （ ） 4.July is month of the year. A. one B. second C. the second