be about to含义与其用法.doc

be?about?to?do:? 1)?表示即将发生的动作，在时间上指最近的将来。如： We?are?about?to?start.?我们就要出发了。 The?new?school?year?is?about?to?begin.?新学年开学在即。 2)?在含有be?about?to?do的句子中，不能再加时间状语。如： Wrong:?The?medical?team?is?about?to?start?immediately.? Right:?The?medical?team?is?about?to?start.?医疗队就要出发了。 附：be?to?do?用法的详细讲解： 一般说来，“be?to?do”?这个结构有两种语法意义，其一是连系动词be+动词不定式做表语，其二是be?to是一个独立词汇单位,具有情态含义,可以把它叫做情态习语(modal?idiom)。?? 一、be?+动词不定式,?不定式做表语,表示主语和表语在概念上是等同的。如：?? The?problem?is?to?find?a?solution.?? His?plan?is?to?clean?the?room.?? My?wish?is?to?be?a?doctor.?? 二、be?to?+动词不定式中的be?to用作情态习语,?这时的be?to?do表示:?“计划”、“安排”、“义务”、“应该”、“可能”、“命运”等。(have?to,?ought?to)。如:?? He?is?to?have?a?holiday.?(表示将来)?? The?committee?is?to?meet?today.?(表示计划、安排)?? You?are?to?go?to?the?hotel?where?rooms?have?already?been?booked?for?you.?? 1.?表示?“将”、“计划”、“安排”。(意思接近于be?going?to)?如：?? Their?daughter?is?to?get?married?soon.?? Who?is?to?question?him？?? It?was?the?last?film?at?the?cinema，which?was?to?close?next?day.?? After?dinner?they?were?to?go?to?a?movie.?? was/?were?to?do?表示过去曾经计划要做的事，或者过去应当做的事，而且从现在的角度来看已经实现了。如：?? I?felt?nervous?because?I?was?soon?to?leave?home?for?the?first?time.?? I?was?to?play?Juliet.?? The?expedition?was?to?start?in?a?week’s?time.?? was/?were?to?have?done,?表示?“本打算”、“本计划”或“本应当”?做的事而没有做成或没有发生。如:?? I?was?to?have?seen?him?last?Wednesday,?but?he?didn’t?come.?? We?were?to?have?been?married?last?year.?? 2.?表示?“义务”、“应该”?。(意思接近于should，?must，?ought?to，?have?to)?如：?? No?one?is?to?leave?the?building.?谁也不得离开这楼房。?? You?are?not?to?smoke?in?this?room.=You?are?not?supposed?to?smoke?in?this?room.?? You?are?to?be?back?by?10?o’clock.?你必须十点以前回来。?? 3.?表示可能性,?相当于can,?may?如:?? Such?books?are?to?be?found?in?the?library.?这样的书在图书馆里就能找到。?? Not?a?single?sound?was?to?be?heard.?一点儿声音也听不到。?? Not?a?soul?was?to?be?seen.?看不到一个人影。?? She?was?nowhere?to?be?found.?哪儿也找不到她。?? She?was?never?to?see?his?wife?and?family?again.?? 5.?表示?“命运”,?将来必然要发生的事,?译作?“注定……”。如：?? He?came?to?power,?but?he?was?to?play?dearly?for?it: