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1.john isn't a diligent student ,for it is the third time he

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1.john isn't a diligent student ,for it is the third time he has been late,__( )
A.wasn't B hasn't it C isn't it D hadn't he
2.he doesn't drive yet ,but he wants __( )
a the own car b the car of his own c an own car d a car of his own
3.if their train arrives __not make it to the theater on time ( )
a lately ,we will b late ,we would c more later ,we will d late,we will
该选哪个.为什么,最好详细点.讲解相关的语法知识.其中第三条是考虚拟语气吗?
1.john isn't a diligent student ,for it is the third time he
第一题选c
for it is the third time he has been late,isn't it
这是一个反意疑问句.反意疑问句中,谓语动词前后要一致,故用后面is;且前面是肯定语气,后面就一定是否定语气.如果前面是否定语气则后面用肯定.(注意:hardly等词表示否定语气)
第二题选d 没有涉及到什么特殊的语法点
第三题选d
不选a的原因是 late 也有表示副词的用法 而lately并不是late的副词形式
lately的意思是 最近地 近来地
不是虚拟语气,而是if 引导的条件状语从句
if引导的对将来情况的假设的句式结构是这样的
if 主语+
(1)should/were to +动词原型+主语+should/were to +动词原型
(2)动词的过去式+主语+could+动词原型