寒假预习：专题02 Unit 1 Animal friends语法讲义+知识演练（知识清单）-2025-2026学年外研版（三起）英语三年级下册

专题02 Unit 1 Animal friends语法讲义+知识演练 2025-2026学年三年级下册英语（外研版） 核心语法点 语法点1：be动词（am/is/are）的用法 1. 核心用法：随主语单复数变化，表“是”。 2. 核心搭配： ①单数主语用is：This is a panda. / It is strong. ②复数主语用are：They are tigers. / These are elephants. ③否定式：isn’t（is not）、aren’t（are not） 例：It isn’t small. / They aren’t lions. 语法点2：特殊疑问句What are they? 1. 用法：询问“它们是什么”。 2. 句型：—What are they? —They are + 复数动物名词. 例：—What are they? —They are pandas. 语法点3：一般疑问句Are they...?及答句 1. 用法：确认动物身份。 2. 句型：—Are they + 复数动物/形容词? —Yes, they are. / No, they aren’t. 例：—Are they elephants? —Yes, they are. 语法点4：单复数句子转换 1. 核心：单数句（this/it is）↔ 复数句（these/they are），名词变复数。 例：This is a monkey. → These are monkeys. 知识演练 一、语法填空（用be动词am/is/are的适当形式填空） 1. This ______ a panda. It ______ black and white. 2. —What ______ they? —They ______ tigers. 3. Elephants ______ big and strong. They ______ not small. 4. That ______ a giraffe. It ______ tall. 5. —Are they lions? —No, they ______. They ______ monkeys. 二、单项选择 （ ）1. —What are they? —They ______ pandas. A. is B. are C. am （ ）2. This ______ an elephant. It ______ big. A. is; are B. is; is C. are; is （ ）3. —Are they tigers? —______, they aren’t. They are bears. A. Yes B. No C. OK （ ）4. Giraffes ______ tall. Pandas ______ cute. A. are; is B. is; are C. are; are （ ）5. —______ this a monkey? —Yes, it ______. A. Is; is B. Are; are C. Is; are 三、句型转换（按要求改写句子，每空一词） 1. This is a bear.（改为复数句） ______ ______ ______. 2. They are elephants.（改为一般疑问句） ______ ______ elephants? 3. The panda is black and white.（改为否定句） The panda ______ black and white. 4. Are they giraffes?（作肯定回答） Yes, ______ ______. 5. It is a small monkey.（改为复数句） ______ ______ small ______. 四、判断句子语法使用分正（T）误（F） （ ）1. This is a pandas. （ ）2. They are elephants. They are big and strong. （ ）3. —Are they lions? — No, they are. （ ）4. The giraffe is tall. It isn’t short. （ ）5. These is monkeys. 五、根据句意，补全句子 1. —What are they? —They ______ ________.（它们是斑马。） 2. This is a ________. It _______ cute.（这是一只熊猫，它很可爱。） 3. Elephants _______ big. They _______ not fast. 4. —Are they ________?（它们是老虎吗？）—No, they aren’t. 5. _______ _______ a lion. It is strong.（这是一只狮子，它很强壮。） 六、对话补全（选择合适的句子，填序号） A. Are they pandas? B. What are they? C. Yes, they are. D. No, they aren’t. E. This is a panda. A: Look at the zoo! 1. ______ B: Let’s guess. 2. ______ A: 3. ______ Pandas are black and white, but these are brown. B: Oh! Are they bears? A: 4. ______ They are big and strong. B: I see. 5. ______ It’s cute. A: Yes! It’s a baby bear. 七、连词成句（将单词连成通顺的句子） 1. is, this, an, elephant (.) _________________________________________________________ 2. they, are, what (?) _________________________________________________________ 3. are, tigers, they, not (.) _________________________________________________________ 4. tall, is, giraffe, the (.) _________________________________________________________ 5. are, cute, pandas, very (.) _________________________________________________________ 八、句型匹配（将问句与对应的答句连线） 1. What are they? A. No, they aren’t. They are monkeys. 2. Are they elephants? B. They are giraffes. 3. Is this a tiger? C. It is black and white. 4. What color is the panda? D. Yes, it is. 5. Are they short? E. No, they aren’t. They are tall. 答案 一、语法填空 1. is; is 2. are; are 3. are; are 4. is; is 5. aren’t; are 二、单项选择 1. B 2. B 3. B 4. C 5. A 三、句型转换 1. These are bears 2. Are they 3. isn’t 4. they are 5. They are; monkeys 四、判断正（T）误（F） 1. F 2. T 3. F 4. T 5. F 五、补全句子 1. are zebras 2. panda; is 3. are; are 4. tigers 5. This is 六、对话补全 1. B 2. A 3. D 4. C 5. E 七、连词成句 1. This is an elephant. 2. What are they? 3. They are not tigers. 4. The giraffe is tall. 5. Pandas are very cute. 八、句型匹配 1—B 2—A 3—D 4—C 5—E ( 1 ) 学科网（北京）股份有限公司 $