基數(shù)詞變序數(shù)詞
一:變化規(guī)則
基變序有規(guī)律,詞尾要加“th”;
第一、二、三要注意,詞尾各是“t”“d”“d”;
八減“t”,九去“e”,“ve”要變成“f”,“y”要變成“ie”
然后再加“th”;若是遇到幾十幾,前變基來后變序。
序數(shù)詞前必加“the”
二:寫出下列詞的適當形式。
1. eight (序數(shù)詞)___________ 2.fourth (縮寫)_________
3. 2nd(完整形式)___________ 4. twenty(序數(shù)詞)_______
5. one(序數(shù)詞)_____________ 6. five(序數(shù)詞)_____________
7.senventh(基數(shù)詞)____________ 8. three(序數(shù)詞)_____________
9. ten(序數(shù)詞)_____________ 10. ninth (基數(shù)詞)_____________
11. twelve(序數(shù)詞)________12. fourty--six(序數(shù)詞)____________
三:選擇
( )1. How old are you?----I’m ______
A.fourteen B. fourteenth C. 14th
( ) 2. The badroom is on the ______ floor.
A. three B. threeth C. third
( ) 3. How many apples do you have?----- Ihave ______
A. eight B. eightth C. eighth
( ) 4. There are ______ living rooms in thehouse.
A. second B. two C. twoth
( ) 5. The National Day is ______ the October1st.
A. in B. at C. on