学生:老师,我在做题时,英语动词的时态经常出错,请您给讲一讲动词时态应注意的问题,好吗?
老师:好的。动词时态是我们英语学习的重点。现以动词be/work为例将常用的8种时态列举如下表:
一般进行完成现在
be/work一般现在时态
be(is,am,are)
work(works)现在进行时态
is(am,are)having
is(am,are)working现在完成时态
have(has)been
have(has)worked过去
be /work一般过去时态
be(was,were)
worked过去进行时态
was(were)working过去完成时态
had been
had worked将来
be /work一般将来时态
will(shall)be
will(shall)work过去将来
be /work一般过去将来时态
would be
would work
学生:各种动词时态的形式我们基本没什么问题,只是在具体的句子里容易出错。
老师:动词时态的使用,主要看时间状语和上下文。每种时态都有相应的时间状语。见到often,usually,sometimes等时间状语,动词一般用一般现在时态;句中有last week,yesterday,in 2000等时间状语,多用一般过去时态;句中有tomorrow,next year等时间状语,多用将来时态;句中有already,yet,for...,since...等时间状语,多用完成时态。如果没有明确的时间状语,就得看上下文。看看主句和从句的关系,根据主句可以确定从句的动词形式,根据从句也可以确定主句的动词形式。
学生:对了,就是这些主句、从句把我们搞得晕头转向。又是状语从句,又是宾语从句,都不知该怎么记了。
老师:我们先回忆一下状语从句,状语从句主要有时间、地点、原因、结果、比较、条件等从句。其中时间、条件两种从句,使用时要特殊记:主句是一般将来时态,从句要用一般现在时态。如:①I'll phone you back as soon as I get home.②You'll fail if you don't work harder.其它一般都遵循"时态一致"的原则。而含宾语从句的句子,主句是现在时态,从句可以用所需要的任何时态(注:宾语从句讲的是事实或普遍真理,总是用一般现在时态);主句是过去时态,从句也要用相应的过去时态。
学生:那怎样保证使用动词时态少犯错误或不犯错误呢?
老师:除了牢记动词形式、熟悉相关的时间状语和上下文规则外,就是多造句子、多练习。有意识、有计划地练习使用这常用的8种时态。
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