will/shall+动词，表示单纯的将来含义。
Some day software will translateboth written and spoken language so well that the need for any common secondlanguage could decline.
该句是复合句。written and spoken作定语修饰language;that后是一结果状语从句。
有朝一日，软件既能用来做文字翻译又能做口头翻译，而且能翻译得很好，以至于对任何通用的第二语言的需求都会下降。
be going to+动词，表示按计划或打算在最近的将来做某事，也可表示对未来的预测。
Clearly, only the biggest andmost flexible television companies are going to be able to compete in such arich and hotly?contested market.
该句是简单句。
显然，只有规模最大、应变能力最强的电视传媒集团才能够在这个精彩纷呈而又竞争 激烈的市场中生存。
be to+动词，表示按计划或安排将要发生的动作或要求别人去做的事，常用来表示官方的'命令、决定、禁止、许可等。
If Gilbert and the Philharmonicare to succeed，they must first change the relationship between America?s oldestorchestra and the new audience it hopes to attract.
该句是复合句。其中，在主句中，定语从句it hopes toattract修饰audience。
如果吉尔伯特和纽约爱乐乐团想获得成功，他们首先必须改变美国最古老的交响乐团和其想要吸引的新一批观众间的关系。
be about to+动词，表示最近即将发生的动作，不接时间状语。
His brother, who was a schoolteacher, was broke, his stomach ulcers were troubling him, one of his childrenhad to have a serious operation, and his wife was about to have twins.
该句是并列复合句，其中定语从句who was a schoolteacher修饰his brother。主干部分为Hisbrother was...，his stomach ulcers were...，one of his children had to..., and his wife was about to...。
他的哥哥是一位老师，已身无分文，并患上了胃溃疡，他的一个孩子要接受一次大手术，他的爱人将要生一对双胞胎。
位置移动动词，如： come，arrive，go，fly，catch，start，leave，travel的用法是be+现在分词，表示按计划即将发生的一个动作，常跟较近将来时间状语连用。
The Spring Festival is coming,and all the urban people are busy engaging in all kinds of preparations.
该句是由and连接的并列句。
春节就要到了，城里人都在忙着做各种各样的准备。
动词come，go，start，leave，arrive，return，begin常用一般现在时表示将来，表示已经预先计划安排好的或肯定发生的动作，主语常为事物名词。
By the time you arrive inLondon, we will have stayed in Europe for two weeks.
该句是复合句。arrive用一般现在时表示将来。
你到达伦敦时，我们将已经在欧洲待了两周了。