内容正文:
四年级上册暑假自学课(沪教版)
Unit 2 Where do animals live?
语法易错+巩固练习
语法易错01 Where is...? 与 Where are...? 的正确运用
【语法点拨】
询问某物/某人在哪里时,要根据所询问对象的数量选择正确的句型:
• 询问单数物品或一个人时,用 Where is...? 或 Where's...?(缩写形式)
例:Where is the eagle? / Where's the eagle?(老鹰在哪里?)
• 询问复数物品或多个人时,用 Where are...?
例:Where are the honeybees?(蜜蜂们在哪里?)
回答时用 It's... 或 They're...:
• 单数回答:It's + 方位介词 + 地点
例:It's in the tree. / It's under the desk.
• 复数回答:They're + 方位介词 + 地点
例:They're in the hive. / They're under the chair.
【易错提示】注意区分 is 和 are!单数用 Where is/It's,复数用 Where are/They're。错误:Where is the honeybees? 正确:Where are the honeybees?
【知识演练01】选择正确的形式填空(is / are)。
1. Where ______ the owl?
2. Where ______ the baby eagles?
3. Where ______ the honeybees?
4. Where ______ the nest?
5. Where ______ the rabbits?
语法易错02 动物居住地的描述(live / lives)
【语法点拨】
描述动物住在哪里时,要注意主语的单复数决定动词形式:
• 主语是单数动物时,动词用 lives(第三人称单数形式)
例:An owl lives in a tree hole.(一只猫头鹰住在树洞里。)
例:The eagle lives in a big nest.(这只老鹰住在一个大巢里。)
• 主语是复数动物时,动词用 live(原形)
例:Eagles live in big nests.(老鹰们住在大巢里。)
例:Honeybees live in a hive.(蜜蜂们住在蜂巢里。)
常见动物与家的搭配:
• eagle → nest(鸟巢)
• owl → tree hole(树洞)
• honeybee → hive(蜂巢)
【易错提示】不要混淆 live 和 lives!主语是 he/she/it/单数名词时用 lives,主语是 they/复数名词时用 live。错误:An eagle live in a nest. 正确:An eagle lives in a nest.
【知识演练02】用 live 或 lives 填空。
1. The owl ______ in a tree hole.
2. Eagles ______ in big nests.
3. The honeybee ______ in a hive.
4. Rabbits ______ in holes.
5. An eagle ______ in a nest.
语法易错03 方位介词 in 与 under 的辨析
【语法点拨】
表示位置时,要根据实际方位选择正确的介词:
• in 表示"在……里面"(在空间内部)
例:The owl is in the tree hole.(猫头鹰在树洞里。)
例:The honeybees are in the hive.(蜜蜂在蜂巢里。)
• under 表示"在……下面"(在正下方)
例:The frog is under the leaf.(青蛙在树叶下面。)
例:The eagle is under the tree.(老鹰在树下。)
其他常见方位介词:
• on 表示"在……上面"(表面接触)
• near 表示"在……附近"
【易错提示】in 强调"在内部",under 强调"在下方",不要混淆。错误:The owl is under the tree hole. 正确:The owl is in the tree hole.
【知识演练03】选词填空(in / under / on)。
1. The eagle is ______ the tree.
2. The honeybees are ______ the hive.
3. The frog is ______ the leaf.
4. The owl is ______ the tree hole.
5. The rabbits are ______ the ground.
综合提升(共55分)
一、情景选择。选择正确的应答语。(10分)
( ) 1. — Where's the owl?
— ______
A. They're in the tree. B. It's in the tree hole. C. Yes, it is.
( ) 2. — Where are the honeybees?
— ______
A. It's in the hive. B. They're in the hive. C. Yes, they are.
( ) 3. — ______ is the frog?
— It's under the leaf.
A. What B. Where C. Who
( ) 4. The baby eagles ______ in the nest.
A. is B. are C. am
( ) 5. — Are the rabbits under the tree?
— ______
A. Yes, it is. B. Yes, they are. C. No, it isn't.
二、单项选择。选择最佳答案。(10分)
( ) 1. — Where ______ the eagle?
— It's in the nest.
A. is B. are C. am
( ) 2. An owl ______ in a tree hole.
A. live B. lives C. are
( ) 3. — Where are the baby eagles?
— ______ in the nest.
A. It's B. They're C. Its
( ) 4. The honeybees make honey ______ the hive.
A. in B. under C. on
( ) 5. Eagles live ______ big nests.
A. on B. under C. in
三、选词填空。用方框中所给词的适当形式填空。(10分)
is / are live / lives in / under
1. Where ______ the rabbits?
2. The frog ______ under the leaf.
3. Honeybees ______ in a hive.
4. An eagle ______ in a big nest.
5. The owl is ______ the tree hole.
四、按要求完成句子。(10分)
1. The owl is in the tree hole.(对画线部分提问)
_________________________________________________
2. The honeybees are in the hive.(改为一般疑问句)
_________________________________________________
3. Are the rabbits under the chair?(作肯定回答)
_________________________________________________
4. Where's the eagle?(用 in the nest 回答)
_________________________________________________
5. An owl lives in a tree hole.(改为复数句)
_________________________________________________
五、完形填空。阅读短文,选择正确的答案。(15分)
Look! This is a forest. There 1 many animals here. The eagle 2 in a big nest. The nest is 3 the tree. Where 4 the owls? They are in the tree holes. The honeybees are 5 the hive. They make honey there.
( ) 1. A. is B. are C. am
( ) 2. A. live B. lives C. are
( ) 3. A. in B. under C. on
( ) 4. A. is B. are C. /
( ) 5. A. in B. under C. on
参考答案
【知识演练01】
1. is 2. are 3. are 4. is 5. are
【知识演练02】
1. lives 2. live 3. lives 4. live 5. lives
【知识演练03】
1. in 2. in 3. under 4. in 5. on
【综合提升】
一、1. B 2. B 3. B 4. B 5. B
二、1. A 2. B 3. B 4. A 5. C
三、1. are 2. is 3. live 4. lives 5. in
四、1. Where is the owl? 2. Are the honeybees in the hive? 3. Yes, they are. 4. It's in the nest. 5. Owls live in tree holes.
五、1. B 2. B 3. A 4. B 5. A
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