(完整版)外研社小学英语一起小学四年级下语法总结及练习题

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2021年02月21日 00:30
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2021年2月21日发(作者:风之影)


外研社英语一起四年级上语法总结及练习题



祈使句



表达说话人对对方的叮嘱、劝 告、请求或命令等


,


往往有表示请求、命令、希望、禁止、劝告 等意思


.



祈使句一般没有主语


,


实际上是省略了主语


“You”.


句末用感叹号或句号


,


用降调朗读


.


肯定结构都以动词原形开头


.




祈使句的肯定句式有三种形式


,





1)Do


型(以行为动词原形开头)


,


例如:


Sit down


坐下


!





Stand up


起立


!



2) Be


型(以


be


开头)


,


例如:


Be quiet




安静


!



3)Let




(以


let


开头)


,


例如:


Let me help you.




祈使句的否定结构是以


“Don’t


+动词原形



开头

.


例如:



Don’t go there,please




请别去那儿


.



Don’t be late




不要迟到




用括号内所给动词的适当形式填空。



1. __________ (not, be) late.





2. ____________ (dust) the dressing table.





3. ____________ (not, speak) with your mouth full of food.



4. ____________ (not, talk) and ____________ (read) a book.




5. ____________ (not, drop) the nice vase, Sam.




6. ____________ (look) out! A car is coming.





7. ____________ (give) us ten years and just see what our country will be like.




8. ____________ (not, let) the baby cry.





9. ____________ (open) the window and ____________ (shut) the door.




10. Let’s ____________ (sweep) the floor.




根据要求改写句子



1. Will you please read it again more slowly?


(改为祈使句)



__________ __________ again more slowly, please.





2. Please sit next to Nancy.



(改为否定句)



__________ __________ next to Nancy.





3. Come to my house tomorrow.



(改为否定句)



__________ come to my house tomorrow.



4. Wear the glasses!


(改为否定句)



___________ wear the glasses!




5. Don’t wash your hands! (


改成肯定句


)



___________ your hands!


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