Unit 1 语法易错+巩固练习(导学案)三年级英语寒假自学课(外研版三起·新教材)
外研版三起三年级寒假自学课
Unit 1 语法易错+巩固练习
语法点拨
1.询问和描述复数动物(What are they? & They are...)
(1)教材原句:What are they?(它们是什么?)
They are tigers.(它们是老虎。)
They are giraffes.(它们是长颈鹿。)
They are black and white.(它们是黑白相间的。)
(2)句式结构:询问复数动物是什么:What are they?
描述复数动物的种类:They are + 复数动物名称(tigers/elephants/giraffes 等).
描述复数动物的特征:They are + 形容词(strong/big/tall/fast 等).
(3)用法:用于对复数动物进行提问和描述,“They are” 可缩写为 “They're”。动物名称复数变化:一般直接加 - s(如 tiger-tigers);以 s/x/ch/sh 结尾加 - es(如 fox-foxes);不规则变化(如 sheep-sheep)。
(4)例句:A: What are they?(它们是什么?)
B: They are pandas. They are cute.(它们是熊猫,它们很可爱。)
They are elephants. They are big and strong.(它们是大象,它们又大又壮。)
知识演练
一、根据提示完成对话。
1. A: What are they?
B: They are _______ (狮子). They are _______ (强壮的).
- A: Look! What are those?
B: They are _______ (长颈鹿). They are _______ (高的).
- A: Are they pandas?
B: Yes, _______ _______. They are _______ and _______ (黑白相间的).
- A: What are they in the picture?
B: They are _______ (猴子). They are _______ (聪明的).
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语法点拨
2.描述单数动物(He/She is...)
(1)教材原句:This is Abu. He is an elephant.(这是阿布,他是一头大象。)
He is big and strong.(他又大又壮。)
This is Linda. She is an ostrich.(这是琳达,她是一只鸵鸟。)
She is fast.(她跑得很快。)
(2)句式结构:介绍单数动物:This is + 动物名字. He/She is a/an + 单数动物名称.
描述单数动物的特征:He/She is + 形容词(small/cute/fast 等).
(3)用法:用于介绍单数动物并描述其特征,男性动物用 “He” 指代,女性动物用 “She” 指代,不分性别时也可用 “It”。单数动物名称前需加不定冠词 “a”(用于辅音音素开头的单词前)或 “an”(用于元音音素开头的单词前)。
(4)例句:This is Mufasa. He is a lion. He is cute.(这是木法沙,他是一头狮子,他很可爱。)
This is Leon. He is a chameleon. He is small.(这是莱昂,他是一只变色龙,他很小。)
知识演练
一、用所给单词的适当形式填空
1.This is Lily. She _______ (be) a rabbit. She _______ (be) small and cute.
2.This is Tom. He _______ (be) an ostrich. He _______ (be) fast.
3.-What is it?
-It _______ (be) a panda. _______ (it) is black and white.
4.This is Max. He _______ (be) a dog. He _______ (be) strong.
5.-Is this a cat?
-Yes, it _______ (be). _______ (it) is very lovely.
重难点特训
一、单项选择
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1.______will come out (外出) at night. ( )
A. B.
C.
2.The ostrich is __________. ( )
A.look B.fast C.talk
3.—What is it? ( )
—______
A.Good work! B.It is a picture. C.Please stop!
4.Look! This is ______ ostrich. ( )
A.a B.an C.two
5.你想问朋友们“那是什么?”,你应该这样问:( )
A.Where are they? B.Who are they? C.What is that?
6.—What are they? ( )
—_______
A.They’re tall. B.Yes, they are. C.They’re giraffes.
7.Let’s work together ______ Nana. ( )
A.to B.and C.for
8.Are they ______? ( )
A.pandas B.panda C.a panda
9.—Is it an elephant? ( )
—______
A.No, it is. B.Yes, it isn’t. C.Yes, it is.
10.Look ______ the fish in the bowl. ( )
A.at B.in C.on
二、情景选择
1.在动物园看到几只很高的长颈鹿,你可以说:( )
A.The giraffes are tall. B.The giraffes are short.
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