高中英语语法大全第一部分 词法（第六章 情态动词）

She eould be about 60 when she died.

他死时大概60岁。

9. need和dare的用法    

 情态动词need               实义动词 need

 现     You need (not) do      You (don’t) need to do           

 在    

 时     He need (not) do       He needs (doesn’t need) to do

 

 过                            You needed (didn’t need) to do 

 去   

 时                            He needed (didn’t need) to do

 

 将    You need (not) do       You will (not) need to do

 来