该句子为何用is?为何加be?Everybody is welcome to be present at the contest.

该句子为何用is?为何加be?Everybody is welcome to be present at the contest. 为什么有时候要在is going to后面加be?为何句子：I’m going to be a basketball player like him.going to后面要加be?又为何句子：She is going to take part in the high jump and the long jump 后面又不加be? 为何用that is? She plays sports every day.里面有哪些语法?,这个句子是一般现在时吧?play为何加S? is unexplainable为何用is He must be ill,----------he is absent today.为何答案为For?because为何不能用? when can we play badminton at the moment?not until it ____(repair) next week.该题的答案为：is repaired,为何不可用will be repaired? 该如何用英语思维翻译句子 She must be looking forward as much to his return as he himself is to seeing her.该句中为何用must be,as much为什么这么用,himself用在这里有意义吗.. 关于there be 句型,例句：There must be someone who is speaking ill of me.不懂为何句子中会有who. 有些句子中为什么要加be像Do not be afraid.She is be happly.等等这些句子为什么要加be呢? it is very important for us to be in a good mood中为何用to be.it指代什么? it is very important for us to be in a good mood中为何用to be.it指代什么? 英语中什么时候该加is are were was .一直分不清,句子中总是多加, It is be no bother to me !--句子中为什么要加is啊? be动词的简单用法,如：she is playing basketball 能该为：is she playing basketball?如果该为特殊疑问句,动词也不变吗,还是要加ing? The roof is made from discarded tiles.该如何理解?人教版九年级英语 P122的课文中有这样一句话：The roof is made from discarded tiles.这句话中为何用be made from 而不用be made of?另外,他们和be made out of 有什么 句子该为感叹句He is a fat man .