句子里的to be doing应该怎样理解?例:The summer of 1993 was the worst time for college graduate to be looking for a job.在这个句子里,为什么要用to be looking for ,它与to look for有什么区别,这里能否换成to look for?

句子里的to be doing应该怎样理解?例:The summer of 1993 was the worst time for college graduate to be looking for a job.在这个句子里,为什么要用to be looking for ,它与to look for有什么区别,这里能否换成to look for? 求有be doing to 的句子.我马上要! consider to be doing 是一个怎样的用法? 用to be doing 造个句子 to be doing 和 doing的区别 may be 和have to be 应该怎么样?为什么句子里有BE Will+be doing表达应该怎样理解?Will是情态动词,一般后面只接动词原形,will do=be going to do,那will be doing应该怎样理解呢? Will be doing表达应该怎样理解?Will是情态动词,一般后面只接动词原形,will do=be going to do,那will be doing应该怎样理解呢?请帮解释一下,谢谢! 用be going to have been to to do be doing 分别造三个不同主语不同句式的句子 麻烦大神讲解下此英文句子Asian parents whose children are doing all this do have a reason to be worried此句应该怎样拆分理解,中间那个do是助动词+have? 英文里有类似i will be doing something的句子么? 有to+doing?If you set your mind to doing something,you should do it well.这句子里有to doing的结构,这是什么语法? be towards to doing sth 的用法并造个句子吧 用 be used to doing造5个句子, 英语语法里如何区别be adj后面加doing还是to do?比如 be worth doing be getting used to doing的意思 be said to be doing和be said to have been doing的区别 when do we have to be doing the research?有谁能解释一下这个句子的语法吗?特别是be doing这里 是什么时态?