will/shall+動詞，表示單純的將來含義。
Some day software will translateboth written and spoken language so well that the need for any common secondlanguage could decline.
該句是複合句。written and spoken作定語修飾language;that後是一結果狀語從句。
有朝一日，軟件既能用來做文字翻譯又能做口頭翻譯，而且能翻譯得很好，以至於對任何通用的第二語言的需求都會下降。
be going to+動詞，表示按計劃或打算在最近的將來做某事，也可表示對未來的預測。
Clearly, only the biggest andmost flexible television companies are going to be able to compete in such arich and hotly?contested market.
該句是簡單句。
顯然，只有規模最大、應變能力最強的電視傳媒集團才能夠在這個精彩紛呈而又競爭 激烈的市場中生存。
be to+動詞，表示按計劃或安排將要發生的動作或要求別人去做的事，常用來表示官方的'命令、決定、禁止、許可等。
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.
該句是複合句。其中，在主句中，定語從句it hopes toattract修飾audience。
如果吉爾伯特和紐約愛樂樂團想獲得成功，他們首先必須改變美國最古老的交響樂團和其想要吸引的新一批觀衆間的關係。
be about to+動詞，表示最近即將發生的動作，不接時間狀語。
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.
該句是並列複合句，其中定語從句who was a schoolteacher修飾his brother。主幹部分爲Hisbrother was...，his stomach ulcers were...，one of his children had to..., and his wife was about to...。
他的哥哥是一位老師，已身無分文，並患上了胃潰瘍，他的一個孩子要接受一次大手術，他的愛人將要生一對雙胞胎。
位置移動動詞，如： come，arrive，go，fly，catch，start，leave，travel的用法是be+現在分詞，表示按計劃即將發生的一個動作，常跟較近將來時間狀語連用。
The Spring Festival is coming,and all the urban people are busy engaging in all kinds of preparations.
該句是由and連接的並列句。
春節就要到了，城裏人都在忙着做各種各樣的準備。
動詞come，go，start，leave，arrive，return，begin常用一般現在時表示將來，表示已經預先計劃安排好的或肯定發生的動作，主語常爲事物名詞。
By the time you arrive inLondon, we will have stayed in Europe for two weeks.
該句是複合句。arrive用一般現在時表示將來。
你到達倫敦時，我們將已經在歐洲待了兩週了。