单数句变复数句规律总结与练习

2024-02-07 15:34:18   文档大全网     [ 字体: ] [ 阅读: ]

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单数,复数,规律,练习,总结
单数句变复数句规律总结

一、指示代词由单数变复数: this these that those 二、人称代词的变化:I we she/he/it they you不变 三、 be动词的变化:am/is are

四、可数名词的复数形式的部分规则

1 s[s][z]

例:friendfriends; catcats; stylestyles; sportsports; 2 sxchsh结尾的词,在该词末尾加上后辍-es构成复数。 [iz] 例:busbuses; fox(狐狸)foxes; match(比赛)→matches; flashflashes 3. 以辅音字母+y结尾的名词,将y改变为i,再加-es。读[z] 例:candycandies; familyfamilies; ladyladies; storystories

4. -o结尾的名词,有生命的加-es,无生命的加-s构成复数。读[z]

例:tomatotomatoes; potatopotatoes;(有生命)

pianopianos; photophotos(无生命)

5. -f-fe结尾的名词,多为将-f-fe改变为-v +es 例:knifeknives; lifelives; leafleaves; scarfscarves反例:roofroofs 名词的不规则变化:

manmen; womanwomen; childchildren; people()people; fish()fish; sheep()sheep; footfeet; mouse (老鼠)mice; (牙齿)toothteeth;

一去掉a/an表示一个,用在单数名词前,当单数句变复数句时,一定要把去掉。 一保持:原句子中的形容词,介词,副词,定冠词the保持不变,如果原句是疑问句,变为复数句以后句式也不变。


一、把下列句子变复数句

1 This is a dog.___________________________________________ 2 That is Jacks book.________________________________________ 3 I am a student._________________________________________ 4 It is my pen._____________________________________________ 5 What is this?_____________________________________________ 6 He is a policeman._________________________________________ 7There is a wolf in the garden._________________________________ 二、把下列复数句变单数句

1My books are new. ________________________________________ 2These are his new friends.__________________________________ 3Those glasses are on the table._______________________________ 4Sophies shirts are white.__________________________________ 5There are some desks in the classroom._________________________ 6These are my favorite pencils.________________________________ 三、写出下列单词的复数形式。

1.goose______ 2.box______ 3.wife______ 4. potato ______ 5. sheep______ 6.monkey______ 7.stomach _______ 8. hand______ 9. fish ______ 10. foot_____ 11. fish _________ 12. family________ 13.baby_______ 14. man_______ 15. cat ______ 16.woman ______ 17.tomato 18.life 21. city 20.child 19. strawberry


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