but they will die if two or three days without water这儿if作什么用?

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but they will die if two or three days without water这儿if作什么用?
but they will die if two or three days without water这儿if作什么用?

but they will die if two or three days without water这儿if作什么用?
条件状语从句 如果两到3天没进水的话他们就会死 if 后时间短语+介词+名词 if后面的就是一个完整的句子了了 if two or three days without water

if 表示假设
这里我们不是用从句,而是用介词结构

如果,条件状语从句

if 为假设,引导从句,后面没有主语是因为这个句子已经有过they will die了,所以后面原本应该跟着的if [they were] two or three days without water 可以删去了。

but they will die if two or three days without water这儿if作什么用? if there is no rain they will die是什么句型 they will die soon if they have no food.同义句=they will die ____ ____. If you don't water the flowers,they will die._______ the flowers,________ they will die.同义句 英语 八下Unit 5If you don't water the flowers,they will die._____the flowers,______they will die. 同义句 If giant pandas have no food,they will die.If giant pandas ___ ___ ___ ___ ,they will die. If you don't water the flowers ,they will die.的同义句 if people don't have food,they will die的同义句 What it is that the died eat and the living will die if they eat it? 英语 典中点 八下Unit 5If you don't water the flowers,they will die._____the flowers,______they will die. If you eat___,you will die. Will liars be honest after they die? if you take fish out of water,___they will die为什么填they而不是it?fish不是不可数吗? If people don't p____wild animals,they will die out.那个一p开头的天什么 The most important drink is water.Not many people understand this but it is quiet true.People can l() for a long time without food,but they全部will die if two or three days w() water.In h() weather,many people do not drink e()water,because they substances will expand or contract__heated or cooled,but this is not the case with watera when they will beb if they will bec as they beingd when 短文填空The most important drink is water.The most important drink is water.Not many people understand this but it is quite true.People can l (1) for a long time without food,but they will die if two or three days w (2) water.In h (3) weath If you live,I won't die; But if you die,I'll really be dead!