语法（专项训练）-2026-2027学年外研版（三起）英语三年级上册
三上英语（外研版）“期中语法”专项复习
语法专题一 Unit 1 be动词(am / is / are) · 人称代词 · Let's 祈使句
语法要点回顾
语法要点 | 规则与例句 |
be 动词与人称 | I 用 am，he / she / it / 单数用 is，we / you / they 用 are。缩写：I'm = I am，She's = She is，We're = We are。例：I'm Daming. She's Amy. We're friends. |
问候与介绍 | Nice to meet you. 见到你很高兴。/ I'm nine. 我九岁了。/ We're from the UK. 我们来自英国。 |
Let's 祈使句 | Let's = Let us，后接动词原形，表示“让我们……吧”。例：Let's be friends. / Let's play together. |
日常交际 | Hello. / Hi. 打招呼；Here you are. 给你。Thank you. 谢谢你。Goodbye. 再见。 |
重点句型 | — Are you a good friend? — Yes. I help my friends. / A good friend shares. |
一、单项选择。（每题 1 分）
1. I ________ Daming.
A. am B. is C. are D. be
2. This ________ Amy. She's my friend.
A. am B. is C. are D. be
3. We ________ from the UK.
A. am B. is C. are D. be
4. — Nice to meet you. — ________
A. Goodbye. B. Nice to meet you too. C. I'm nine. D. Thank you.
5. Let's ________ friends.
A. be B. is C. are D. am
6. She ________ my new friend.
A. am B. is C. are D. be
7. — ________ you a good friend? — Yes, I help my friends.
A. Am B. Is C. Are D. Be
8. Let's ________ together!
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A. play B. plays C. playing D. to play
二、用所给词的适当形式填空。（每题 1 分）
1. I ________ (be) Daming.
2. She ________ (be) Amy.
3. We ________ (be) friends.
4. Let's ________ (be) friends.
5. This ________ (be) my teacher, Ms Smart.
6. They ________ (be) from the UK.
三、按要求改写句子。（每题 2 分）
1. I'm Daming.（对划线部分提问）
2. She is Amy.（改为一般疑问句）
3. We are friends.（改为一般疑问句）
4. I'm nine.（对划线部分提问）
四、连词成句。（每题 2 分）
1. meet / nice / you / to（.）
2. is / this / my / friend（.）
3. play / let's / together（.）
语法专题二 Unit 2 What's this / that · It's a / an · Is it…?
语法要点回顾
语法要点 | 规则与例句 |
What's this / that | What's this? 这是什么？（近处）；What's that? 那是什么？（远处）。回答：It's a / an …. |
不定冠词 a / an | a 用在辅音音素前：a pen, a ruler, a bag；an 用在元音音素前：an eraser, an egg, an orange. |
Is it …? | Is it a pen? 它是一支钢笔吗？肯定：Yes, it is. 否定：No, it isn't. It's a pencil. |
询问里面有什么 | What's in your schoolbag? 你书包里有什么？ |
重点句型 | Take care of your school things! 照看好你们的学习用品！ |
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一、单项选择。（每题 1 分）
1. — What's this? — ________ my schoolbag.
A. It's B. They're C. I'm D. He's
2. — What's that? — It's ________ eraser.
A. a B. an C. the D. /
3. It's ________ pen.
A. a B. an C. / D. two
4. — Is it a pencil? — No, ________. It's a pen.
A. it is B. it isn't C. I am D. it not
5. — Is it a ruler? — Yes, ________.
A. it is B. it isn't C. they are D. it are
6. What's ________ your schoolbag?
A. in B. on C. at D. to
7. This is ________ egg.
A. a B. an C. two D. /
8. — What's ________? — It's a bag.（远处）
A. this B. that C. these D. it
二、用所给词的适当形式填空。（每题 1 分）
1. It's ________ (a / an) orange.
2. It's ________ (a / an) pen.
3. — What's this? — It's ________ (a / an) eraser.
4. It ________ (be) a ruler.
5. — Is it a bag? — No, it ________ (be not).
6. What's in ________ (you) schoolbag?
三、按要求改写句子。（每题 2 分）
1. It's a pen.（对划线部分提问）
2. It is a pencil.（改为一般疑问句）
3. It's an eraser.（改为否定句）
4. This is a ruler.（用 that 改写，指远处）
四、连词成句。（每题 2 分）
1. this / what's（?）
2. it's / eraser / an（.）
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