为什么要用if 用语法知识回答I will alway wonder how high she might have lifted that car （if ）she have been well and strong

为什么要用if 用语法知识回答I will alway wonder how high she might have lifted that car （if ）she have been well and strong If you need------money,I wil lend you ---为什么天any和some He wil come.I will let you know?(用if连成一句话) if you buy it.so will i,3QSo后面用do还是 wil let's drink to/for the success of your school这里用什么?为什么.请用语法知识来回答啊. i wil I do not know whether he wil come to our party.中为什么不要能用if?解释具体些, 为什么英语电话用语要用May I speak to~ if you wil move i make怎么翻译 I would most like to do.用语法知识解释一下would most like .I would most like to do.用语法知识解释一下would most like .为什么most可以修饰like 而would后可以不是动词原型 这句中would和用wil有什么区别?I would fall apart if you bre这句中would和用wil有什么区别?I would fall apart if you break my heart 他回去日本了.这句话为什么不对?请用语言学的知识回答. He was (born) in Beijing born为什么不加ing,请用语法知识回答,同样,为什么有时live不加ing I wil say nothing about this unless I am sure of the factsunless 为什么不用if 好像也说得通啊 I will be back 和I will back.为什么要加be?I wil be with you .with 呢 为什么用完碘盐后要盖紧瓶盖(用物理知识回答)要用物理知识回答 为什么种瓜得瓜,种豆得豆?【用生物知识回答】要用生物知识来回答``` 煮饺子为什么要放冷水,用物理知识回答