重点小学新四年级 英语语法知识总结

余年寄山水
614次浏览
2021年02月21日 00:10
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2021年2月21日发(作者:一直一直爱)



一.



助动词,


be



动词



疑问



肯定



否定



用法



助动词



Be


动词



Do










Does


Is










Are









Am


do











does


Is










are










am


don



t









doesn



t


isn



t







aren



t







am not


在句子中有实际意义 的动词出


句子中没有实际意义的动词出


现时




oes


问,



does


答,否定用


doesn



t












Do


问,




do


答,否定用


don



t













Is


问,




is


答,



否定用


isn



t




Are they



?


问,



are


答,



否定用


aren



t




Are you



?问,



am


答,



否定用



am not


应用



二.三单用法:



he she it


人名



your


father my friend the


water one bear



后面


动词加


s



es


,有助动< /p>


口诀



词在助动词上加

< br>e



es.


一句话中只有一处 变


三单加


es



s,


有助动



does

< p>
,则动词不变。



如:



He doesn



t like


cows.






What does your mother do?




Does he like cats?













The cow likes grass.


口诀:



Does


问,



does


答,否定用


doesn



t


三.单复数用法:




How much are




the jeans?








They



re



yuan.



they?








How much is






the shirt








It



s



yuan.



it?








Where are





the dogs?











They are





they?









Where is






the supermarket? the dog?





It



s



.


四.



any




some


用法:



it? she? he?





(1) any


< br>some


后都要加名词复数:



Do you have any dress


es


? coats? pajamas?





































We have some skrits.





(2) any


用在疑问句和否定句,



some


用在肯定句:




Do you have any coats?



















































Yes, we have some.



















































No, we don



t have any.


五.主格、宾格、物主代词用法:




主格


(一句话首个单词)



宾格



(


动词 后用宾


形容词性物主代词




谁谁谁的






)


第一人称



I


me


my



我的



we


us


our



我们的



第二人称



you


you


your



你的,你们的



第三人称


he


him


his




他的



单数



she


her


her




她的



第三人称


they


them


their



他们的



复数



例:



主格









宾格






























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