Unit 2 语法易错+巩固练习（导学案）六年级英语寒假自学课（冀教版三起）

冀教版三起六年级寒假自学课

Unit 2  语法易错+巩固练习

 

 

语法点拨

1.how often 句型（询问动作频率）

（1）教材原句：How often do you eat vegetables?（你多久吃一次蔬菜？）

How often did Danny have breakfast last week?（丹尼上周多久吃一次早餐？）

（2）句式结构：询问频率：How often + do/does/did + 主语 + 动词原形 + 其他？

回答频率：表示频率的词 / 短语 + 时间范围（如 twice a week、every day、once a month）。

（3）拓展：常见频率表达：always（总是）、usually（通常）、often（经常）、sometimes（有时）、seldom（很少）、never（从不）、once a week（一周一次）、twice a day（一天两次）。

（4）例句：-How often do you play sports?（你多久做一次运动？）

-I play sports three times a week.（我一周做三次运动。）

知识演练

一、根据提示填空。

1. -How often ______ you ______（brush）your teeth?

-I brush my teeth ______（两次 a day）.

2. -How often ______ she ______（eat）fruit?

-She ______（很少）eats fruit. She needs to eat more.

3. -How often ______ they ______（exercise）last month?

-They exercised ______（一次 a week）.

4. -How often ______ your father ______（go）to work by bike?

-He ______（总是）goes to work by bike. It's good exercise.

5. -How often ______ you ______（have）breakfast?

-I ______（从不）skip breakfast. It's important for health.

 

 

 

语法点拨

 

2.before 与 after 的用法

（1）教材原句：Before breakfast, he washes his hands and brushes his teeth.（早餐前，他洗手刷牙。）After breakfast, he goes to school.（早餐后，他去上学。）

（2）用法：1.作介词，后接名词、代词或动名词（doing），表示 “在…… 之前 / 之后”。

2.作连词，后接完整句子，表示 “在…… 之前 / 之后”。

（3）拓展：before class（课前）、after school（放学后）、before eating（吃饭前）、after exercising（运动后）。

（4）例句：-Wash your hands before eating.（吃饭前洗手。）

-After she finishes homework, she watches TV.（她做完作业后看电视。）

知识演练

一、用 before 或 after 填空

1.______ dinner, my mother often takes a walk in the park.

2.You should finish your homework ______ you play computer games.

3.______ going to bed, I always read a storybook.

4.We usually have a rest ______ the PE class.

5.______ he gets up, he drinks a glass of warm water. It's good for his body.

 

 

 

 

语法点拨

 

3.情态动词 can/could 的用法

（1）教材原句：She couldn't see anything. She couldn't hear anything.（她看不见任何东西。她听不见任何声音。）I can do it!（我能做到！）

（2）用法：①can 表示现在的能力，意为 “能；会”；could 是 can 的过去式，表示过去的能力。

②否定形式：can't（不能）、couldn't（过去不能）。

③后面始终接动词原形，无人称和数的变化。

 

（3）例句：①-Can you swim?（你会游泳吗？）

-Yes, I can.（是的，我会。）

②He could run fast when he was young.（他年轻时能跑得很快。）

知识演练

一、用 can/can't/could/couldn't 填空。

1.Helen Keller ______ see or hear when she was a child. But she ______ learn to read and write later.

2.-______ you ride a bike?

-No, I ______. But my brother ______ ride very well.

3.My grandfather ______ climb mountains when he was 60. Now he ______ because his legs are not strong enough.

4.-______ your sister speak English?

-Yes, she ______. She ______ speak a little French too.

5.The little boy ______ walk when he was one year old. His parents were very happy.

重难点特训

一、单项选择

1．The milk is ________. Don’t drink it. (       )

A．good        B．bad          C．badly

2．There are sixty ________in an ________.  (       )

A．minutes, hour        B．hours, hour          C．hour, minute

3．Walking is ________. (       )

A．exercise        B．exercises          C．exercising

4．—______ did you have breakfast last week? (       )

—Five times.

A．How many        B．How often           C．How much

5．______ is good for your health. (       )

A．Watching TV        B．Running           C．Going to bed late