Until在否定句中一定表示肯定吗?

如题所述

第1个回答  2019-11-21
until
/
not...until之间的区别:
until“直到”,表示某一种行为一直持续到某一时间。用在肯定句中,句子的谓语动词必须是可延续性的。
not...until“直到...才”表示直到某一时间,某一行为才发生,之前该行为并没有发生.
用在否定句中,主句中的谓语可以是延续性的也可以是短暂性动词。
1.
i
studied
englis
until
9
o'clock
last
night.
我咋晚学英语一直学到9点钟.(表示9点前一直在学)
2.
i
did
not
study
englis
until
9
o'clock
last
night.
我咋晚直到9点钟才学英语.(表示9点才开始学)
3.
i
waited
for
five
hours
until
it
was
dark.
i
had
to
give
it
up.
4.
i
didn't
go
to
sleep
until
11
o'clock
not
until
还可以用于强调句中,也可以放在句首,句子要采用部分倒装
5.
it
was
not
until
he
came
back
that
i
went
to
sleep
6.
not
until
he
came
back
did
i
go
to
sleep.