air-conditional,air-conditioned的区别？收到conditional offer怎么办？
这是条件录取的offer，有的学校在conditional offer里面可能还会提及押金，当然钱多可以多交几个学校……然后看还需要称心什么条件，If 引导的一般从句和第一条件句较轻易理解.第二和第三条件句都是虚拟语气,第三条件句是表达和过往相反的条件句.常见第二条件句的例子就是,I would.常见第三条件句的例子就是,
air-conditional,air-conditioned的区别？
假如要说某个地方已经用了空调，用air-conditioned，比如an air-conditioned room(开了空调的房间)；假如是形容某样东西有空调功能或单讲空调功能，则用air-conditional，比如air-conditional system（空调系统）。
收到conditional offer怎么办？
这是条件录取的offer，不是最终offer。首先你得回复邮件accept，不然过几个月会被取缔资格。你可以同时确认接受多个学校的offer，不会发生任何成本。有的学校在conditional offer里面可能还会提及押金，这个一般进学前4、5个月的时候就得交，在交的时候就得考虑好抉择往哪个学校了，不然押金可能就没来，当然钱多可以多交几个学校……
然后看还需要称心什么条件，一般是雅思成果、本科成果单和毕业证以及学位证（这仨需要原件和有资质的翻译件），来换取最终的unconditional offer，这才能确定能上学。雅思分不够的可以考虑读个几周的语言课或者1年点预科。
第一条件句到第三条件句的规则？
注重：If 引导的一般从句和第一条件句较轻易理解.
第二和第三条件句都是虚拟语气,不同的是,第三条件句是表达和过往相反的条件句.
常见第二条件句的例子就是,If I were you, I would.
常见第三条件句的例子就是,If I had done, I would have.
零条件句Zero Conditional
意义：用于阐述事实.
结构：If + subject + simple present, subject + simple present.
Subject + simple present if + subject + simple present.
例句：If I see a spider, I get panicky.
I feel claustrophobic and immediately want to get out of if I enter an enclosed space.
第一条件句First Conditional
意义：表达一个动作后的结果
结构：If + subject + simple present, subject + will + verb.
Subject + will + verb + if + subject + simple + present.
例句：If we move the office to the 15th floor, I'll resign.
I'll probably have another panic attack if I see a spider.
第二条件句Second Conditional
意义：用于表达一个假设情状后的结果.
结构：If + subject + simple past, subject + would + verb.
Subject + would + verb + if + subject + simple past.
例句：If I didn't suffer from a fear of flying, I would travel more.
I would consult a doctor if I had a phobia.
第三条件句Third Conditional
意义：是用来表达假如(If)当时那样发生,另外一方面（当时）会如何（通常是指过往的事情,带有一切已经太迟而不能够补救的意思）.
结构：If + subject + past perfect, subject + would have + past perfect.
例句：She was ill. She didn’t go to work.
改成第三条件句：If she hadn't been ill, she would have gone to work.