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iF 和 unlEss

unless 与 if ...not 有区别吗 两者都可表示否定的条件,有时可换用.如: Come tomorrow unless I phone [if I don’t phone].要是我没有打电话,明天就来. You won’t catch the train unless you hurry [if you don’t hurry].你要是不赶快,你就赶...

unless和if not都意为“除非,如果不”,下面说说unless和if not的用法区别。 1.两者都表示否定,通常unless和if...not可换用,如: Come tomorrow if I don't phone/unless I phone.如果我不打电话,我明天过来。 I‘ll take the job if the pay's...

if和unless的区别:unless=if not; Come tomorrow if I don't phone/unless I phone. 如果我不打电话,我明天过来。 I‘ll take the job if the pay's not too low/unless the pay's too low. 如果工资不是太低,我将从事这份工作。 在下面几种...

unless是除非的意思,常用于引导让步条件状语 only是仅仅、只的意思,用于引导限制性条件 if假如、如果,引导假设条件 希望能够帮到楼主

unless 与 if…not 的用法区别 一、有时可与if…not互换,但此时通常只限于从句所引出的情况为主句情况的一种例外,即此时的unless意思是except if。如: Unless you start at once you’ll be late. =If you don’t start at once you’ll be late. ...

You'll be late if you don't hurry. = You'll be late unless you hurry. I can't catch the train if I don't get up early. = I can't catch the train unless I get up early.

我不会去参加宴会的,除非你也去。 I won't go to the party unless you ...... If tommorrow is not rain ,we are going to ...... 翻译是很重要的,

if not表示不然的话,否则.后面不接句子,应该接短语,如If not his help, I would have failed. Unless表示除非,如: My baby sister never cries unless she is hungry. 我刚出生的妹妹除非饿了,她是从来不哭的. I shall go there tomorrow unles...

这两个词放在句首或句尾在用法上是一样的,只是族在句首,就是两个句子,放在句中,就是一个句子,也就是说是用if或unless将两个句子连接成一个句子. 例:If it were not for your help,I would not have succeeded.要不是你的帮忙,我是不会成功的. = ...

unless= if... not

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