英語在小學(xué)診斷中占有一定比重,新學(xué)期的改變,應(yīng)該從了解英語的知識點開始。下面為大家分享小學(xué)英語必備語法之句子單數(shù)變復(fù)數(shù)，供大家參考學(xué)習(xí)！
句子單數(shù)變復(fù)數(shù)，注意以下五要素
(1)主格人稱代詞要變成相應(yīng)的復(fù)數(shù)主格人稱代詞,即I→we, you→you，she,he,it→ they。
如：She is a girl. →They are girls.
(2)am，is要變?yōu)閍re。如：
I’m a student. →We are students.
(3)不定冠詞a，an要去掉。如：
He is a boy. →They are boys.
(4)普通單數(shù)名詞要變?yōu)閺?fù)數(shù)形式。如：
It is an apple. →They are apples.
(5)指示代詞this，that要變?yōu)閠hese，those。如：
This is a box. →These are boxes.
練一練：
一 按要求寫出所給單詞的復(fù)數(shù)形式.
1.snowman _____ 2. leaf _____ 3. family _____ 4. city _____ 5. dish ______
6. child _____ 7. man ______ 8. woman ______ 9. dress ______ 10 potato
11.piano 12. toy 13. Englishman 14.Chinese
15. wife 16. wolf 17. fox 18 peach 19 name
二 把下列句子改為復(fù)數(shù)句子形式
1.This is a nice flower.________ ________ nice _________.
2. This is a girl.___ _______ ___________girls.
3. This is a backpack.__ ______ _______ backpacks. __________ __________ ___
4. This is Tony's ruler.___ ______ _________Tony's _ ______ .
5. This is my parent. __ ______ _________ my _ _____ _ __.
6. This is a bedroom.
7. The flower is red._________ _________ _________ __________
8. Here is your book. Here ______ ______ _______.
9. He / She is a teacher.
10. She is a woman doctor. They ________ ________ doctors.
11.What is this? What _____ ___ _?
12.It is an eraser.
13. She is my uncle's daughter._______ _______ my uncle's ________
14. I am a student.
15. He's a Chinese boy.
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