单数可数名词变为复数形式.docVIP

PAGE  PAGE 13 同学们都会把单数可数名词变为复数形式，可当我们在做“将单数句变为复数句”这种题目时，常常会“顾此失彼”，出现不少错误。你难道不例外吗？那就Have a try！ 【练习展示】 ●将下列单数句改为复数句。 1. This is a chair. 2. Is that a pencil-box? 3. He is a good boy. 4. Is it a ruler ? 5. I am an English teacher. 6. This is my new book. 7. That blue eraser is mine. 8. What’s this in English? 9. I am a driver. 10. She has a pencil sharpener. 11. Is it a pear ? 12. This is my pen. 13. He likes his bike. 14. Is that an apple tree? 15. He is a man doctor. 16. What’s your telephone number? 17. Where is your computer? 18. Are you in Class One? 19. --Is that his brother? --No, it isn’t. 20. --Is she my teacher? --Yes, she is. 21. I am at home. 22. He can have a look at this picture 上面练习做得还顺手吗？还是看看专家是如何解析吧！ 【专家解析】单数句变复数句涉及名词和动词的人称和数，人称代词、物主代词、指示代词的人称和数的问题。单数句变为复数句时，上述各类词都要做相应变化，其它词类不变。当然，也有一些特殊的情况。 　 1. These are (some) chairs. 2. Are those (any) pencil-boxes? ■在把单数句子变为复数句子时，指示代词需要作相应的变化： this→these, that→these。第1、2小题即是如此。 3. They are (some) good boys. 4. Are they (any) rulers? 5. We are English teachers. ■在把单数句子变为复数句子时，人称代词需要作相应的变化： 　　主格：I→we, you→you, he/she/it→they 　　宾格：me→us, you→you, him/her/it→them。第3、4、5小题即是如此。 6. These are our (my) new books. 7. Those blue erasers are ours. ■在把单数句子变为复数句子时，物主代词需要作相应的变化： 形容词性物主代词：my→our, your→your, his/her/its→their 　　名词性物主代词：mine→ours, yours→yours, his/her/its→theirs。第6、7小题即是如此。 8. What are these in English? 9. We are (some) drivers. ■在把单数句子变为复数句子时，连系动词be需要作相应的变化： (be)am/is→are。第8、9小题即是如此。 10. They have (some) pencil sharpeners. 11. Are they (any) pears? ■a/an表示“一个”，只能用在单数可数名词之前，在把单数句子变为复数句子时，一定要把a/an去掉，或改为some/any。第10、11小题即是如此。 12. These are my pens. 13. They like their bikes. ■在把单数句子变为复数句子时，一般情况下，形容词性物主代词不需要改为复数形式。第12小题即是如此；但是当句中形容词性物主代词与句中的主语一致时，该物主代词应随主语人称的改变而变化，仍要保持一致。第13小题即是如此。 14. Are those (any) apple trees. 15. They are (some) men doctors. ■在把单数句子变为复数句子时，起修饰作用(作定语)的名词一般保持不变，只将其后的名词改为复数形式。第14小题(如apple)即是如此；但是，若man或 woman做定语修饰可数名词时，在整个句子变成复数的情况下也要变成 men 或women。第15小题即是如此。 16. What are your telephone n