Unit4《Road safety》2024-2025学年六年级英语下册单元语法专项讲义（译林版三起）

2024-2025学年六年级英语下册单元语法专项讲义

Unit4《Road safety》

情态动词本身有一定的词义，是表示语气的单词。但是情态动词不能独立在句子中作谓语,必须和动词原形一起构成谓语。常见的情态动词有 must, can, could, may,should, need 等。

1． 情态动词 must和can 的用法

例句:I must go to the bank and get some money． 我必须去银行取一些钱。

Don’t be impatient． I can explain it to you．

不要不耐烦。我可以跟你解释这件事。

Cars must not park in front of the entrance． 车辆不可以停在入口前面。

I can’t tell if this is his handwriting． 我无法辨认这是不是他的笔迹。

2．含有情态动词的不同句式的句型结构

（1）肯定句：主语+情态动词+动词原形(+其他)．

例句: You should be more careful when driving． 你开车时应该更加小心。

（2）否定句：主语+情态动词+not+动词原形(+其他)．

例句: The report may not be complete． 这份报告可能不完整。

（3）一般疑问句：情态动词+主语+动词原形(+其他)?

例句: —Must I go to see the doctor? 我必须去看医生吗?

—Yes, you must． 是的,你必须去。/No, you needn’t． 不,你不必。

（4）特殊疑问句：特殊疑问词+情态动词+主语+动词原形(+其他)?

例句: What could the little boy do six years ago? 这个小男孩六年前会做什么?

专题训练

一、从方框中选择合适的单词填空。(可重复使用)

1． You ________go to bed before 8 o’clock． Don’t be late．

2． Listen! You ________ chase each other around the classroom．

3． We ________ wait any longer! We should do something．

4． —Mum, ________I play with my toy now?

—No, you ________． You ________ practise playing the piano first．

二、单项选择。

(    )1．–________ I speak to Mary?    –Yes, speaking．

A．Must               B．Need             C．May

(    )2．This maths problem is too hard． Nobody________ do it．

A．may not            B．may             C．can

(    )3．–Can you speak Japanese?

–No, I________．

A．can’t              B．mustn’t            C．may not

(    )4．The children________ be careful because the floor is wet．

A．must              B．can               C．need

(    )5．–Must we finish all these articles this morning?    –No, you________．

A．mustn’t            B．haven’t            C．don’t have to

(    )6．You________ go and see a doctor at once because you’ve got a fever．

A．can              B．must               C．could

三、选词填空。

1． The light is red． We ________(can’t/mustn’t) cross the road now．

2． The water in the stream is dirty． You ________(can/can’t) drink the water．

3． The light in her room is still on． She ________(must/can) be at home now．

4．—________(Must/Can) Liu Tao ride bikes?    —Yes, he ________(must/can)．

四、按要求完成下列各题。

1． 你不应该以这样的方式把消息告诉她。(根据中文提示完成句子)

You ________ ________her the news in this way．

2． People could go to work by ship every day．(对画线部分提问)

________ ________people________to work every day?

3． He need drive me home．(改为一般疑问句)

________ he ________ ________home?

4． You must not skate on the road．(对画线部分提问)

________ must we ________ ________on the road?

五、完形填空。

Can you ride a bike? There are so many bikes, cars and buses on the  1  , so it is very important for riders to remember the traffic  2  ．

Little children can’t ride bikes in the streets,   3  it is dangerous for them． You  4  always keep your hands on the handlebars(把手)． You should ride on the right  5  of the road． Like a driver of a car or a bus, you must  6  all the traffic signs． You must not turn  7  or go across the road at a  8  traffic light． Usually you can turn right, but you shouldn’t ride too  9  ． If you want to turn left or right  10  stop, you can give a sign to other riders． Follow the rules and be careful on the road!

(    )1． A． day                               B． road                                 C． city

(    )2． A． rules                              B． lights                         C． rulers

(    )3． A． so                                  B． but                                   C． because

(    )4． A． can’t                                    B． should                       C． shouldn’t

(    )5． A． light                              B． street                         C． side

(    )6． A． hear                              B． reach                         C． know

(    )7． A． right                              B． left                                   C． up

(    )8． A． blue                              B． green                         C． red

(    )9． A． slow                              B． fast                                   C． quiet

(    )10． A． or                                B． and                                   C． with

safe, safely和safety的区别

1． safe为形容词，意为“安全的”，常用于系动词后作表语，也可以用于名词前作定语。

These stray animals are quite safe here． 这些流浪动物在这里相当安全。

This is a safe road． 这是一条安全的马路。

2． safely为副词,用来修饰动词(短语),意为“安全地”。

They swim safely in the swimming pool． 他们在泳池里安全地游泳。

3． safety 为名词,意为“安全”。

The students are talking about the road safety．

学生们正在谈论道路安全(的问题)。

专题训练

用safe的适当形式填空。

1． It is ________ to cross the river in this boat．

2． Keep your passport in a ________ place．

3． How can we use the knife ________?

4． Parents are always worried about the ________of their children．

5． Will the money be ________locked in the drawer?

…………

参考答案

专题训练1

一、1． must 2． mustn’t 3． can’t 4． can,can’t, must

二、CCAACB

…………