3.Johnisn'tadiligentstudent,foritisthethirdtimehehasbeenlate,?a.wasn'tb.hasn'titc.isn'titd.hadn'the为什么选c,这个好像是反身什么,我忘了,具体讲一下,

Question

3.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
为什么选c,这个好像是反身什么,我忘了,具体讲一下,

Answer 1

是反意疑问句,前面是否定用肯定,是肯定用否定.但比如:I don't
thinkhe is smart,is he?而第三人称就不一样了,如：She thinks he isn't smart,doesn't?这是看人称的变化与哪个是主句．