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unlEss和iF not的区别

if not 和unless的区别:读音不同、意思不同、用法不同 一、读音不同 1.if not读音:英 [ɪf nɒt] 美 [ɪf nɑːt] 2.unless读音:英 [ən'les] 美 [ən'les] 二、意思不同 1.if not意思:不然的话; 要不是; 即使不 2...

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在意义上相当于if…not…,因此在有些场合if…not…可为unless所代替。但在有些场合又不能互换,我们要注意下面几种情况: 1.当if…not…引导非真实条件分句时,一般不可改用unless。 例如: If she had not had an alarm clock,she would have ...

一、unless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. =Except if you start a...

unless在意义上相当于if…not…,因此在有些场合if…not…可为unless所代替。 但在有些场合又不能互换,我们要注意下面几种情况: 1.当if…not…引导非真实条件分句时,一般不可改用unless。 例如: If she had not had an alarm clock,she would have...

unless表示除非,也就是如果不,相当于条件状语从句的否定形式,和if not一般无区别,用法是:主将从现,主句用将来时时,从句可以用一般现在时,如: Unless you are trying to lose weight to please yourself, it's going to be tough to kee...

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...

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.

但是在下列情况下,通常要用 if ... not 而不用 unless: 1. 当所述条件要引出一种新的想法或情况(而不是结束已存在的想法或状态)时。如: I’ll be angry if I’m not invited to the party. 如果不邀请我参加晚会,我会生气的。(即“不邀请我去参...

1.unless 表示“如果不;除非”,多引导一个否定意义的真实条件句,有时也可引导非真实条件句。在意义上相当于if...not。 Unless he apologizes to me, I won't talk to him. 除非他跟我道歉,否则我是不会跟他说话的。 注意:unless 放句首时,主...

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