Unit 3 Healthy life 语法重点讲解及练习（综合训练）-2026-2027学年人教PEP版英语六年级上册
【人教PEP版六年级上册】
Unit 3 Healthy life 语法重点讲解及练习
单元语法小结
一、情态动词should / shouldn’t
1. 用法：should+动词原形，表示建议养成健康好习惯；shouldn’t+动词原形，表示劝阻不良生活习惯。
2. 特征：无人称和单复数变化，所有人称直接使用。
3. 一般疑问句结构：Should + 主语 + 动词原形？
例句：You should exercise daily. You shouldn’t stay up late.
二、一般现在时
1. 用途：描述长期、固定的作息、饮食、运动习惯。
2. 重点：第三人称单数动词变化
肯定句：主语为he/she/单个人名，动词加s/es；其余主语用动词原形
否定句：三单用doesn’t+动词原形，其他人称用don’t+动词原形
一般疑问句：Does搭配三单主语，Do搭配其余主语，后面均使用动词原形
3. 频度副词（always/often/sometimes/never）摆放位置：be动词后面，实义动词前面。
三、其余基础语法
1. There be句型：There is搭配单数名词、不可数名词；There are搭配可数名词复数，用于描述食物、物品。
2. 名词分类：区分饮食类可数名词与不可数名词，正确使用数量搭配。
专项练习
一、写出动词第三人称单数形式
1. exercise ________
2. finish ________
3. wash ________
4. hurry ________
5. have ________
二、用should 或 shouldn’t 完成句子
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1. You ________ drink cold water right after running.
2. We ________ take a walk after dinner to keep healthy.
3. Kids ________ spend all day playing mobile games.
4. People ________ wash hands before having meals.
5. You ________ go to bed later than 23:00.
三、按照要求摆放频度副词改写句子
1. He eats fried food. (never)
________________________________________
- My grandma makes fruit salad. (usually)
________________________________________
- They play outdoor sports. (often)
________________________________________
- I feel sleepy after staying up late. (always)
________________________________________
- My dad drinks warm water in the morning. (sometimes)
________________________________________
四、把陈述句改为否定句
1. My dad drinks iced tea after lunch.
________________________________________
- The kids eat fruit after school every day.
________________________________________
- Amy brushes teeth three times a day.
________________________________________
- We go jogging on Saturday mornings.
________________________________________
- Grandpa has a noon break every day.
________________________________________
五、选用There is / There are 填空
1. ________ a big bottle of milk in the fridge.
2. ________ plenty of clean drinking water in the kettle.
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