一篇好文章的条件很多。除了内容丰富和组织紧密之外，词汇的运用和句子的处理，也起着决定性作用。
句子可长可短，同一件事，可以用不同的句式表达。如果句子清一色是简单句，文章必定很单调乏味。如果全篇充满了冗长的复杂句，读起来也很费力。最好的方法是以简单句为基础，配合适当的并列句和复杂句。简单句可长可短，通常要加些附属成分，如分词短语、介词短语、副词短语、不定式动词短语，以及节缩成分。
总之，作者可根据情况，使句子多样化，使文章灵活多姿。例如下列五个句子的基本概念一样，但是句式不同，内容重点也有些差别：
(1)thegoatsgrazedpeacefullyinthefarmandwereunawareoftheapproachinghunter.(并列分句(1)+2)
(2)grazingpeacefully,thegoatsinthefarmwereunawareoftheapproachinghunter.(现在分语短语+简单句)
(3)inthefarm,thegoatsgrazedpeacefullyandwereunawareoftheapproachinghunter.(副词短语+并列分句(1)-(2))
(4)thereweregoatsgrazingpeacefullyinthefarm,unawareoftheapproachinghunter.(简单句+形容语短语)
(5)asthegoatsgrazedpeacefullyinthefarm,theywereunawareoftheapproachinghunter.(原因副词从句+主句)
(1)和(5)的句式最常见；如果加上其他三种互相交替，句子不是更多样化吗？
最后，看看这两个句子要如何多样化呢？
(6)theyoungpilotwasonhisfirstoverseastraining.
(7)hefeltveryuneasy.
(a)theyoungpilotonhisfirstoverseastrainingfeltveryuneasy.
(b)theyoungpilotfeltveryuneasyduringhisfirstoverseastraining.
?theyoungpilot'sfirstoverseastrainingmadehimfeelveryuneasy.
(d)extremeuneasinessseizedtheyoungpilotonhisfirstoverseastraining.
(e)theyoungpilotwasonhisfirstoverseastraining,feelingveryuneasy.
(f)itbeinghisfirstoverseastraining,theyoungpilotfeltveryuneasy.
(g)beingonhisfirstoverseastraining,theyoungpilotfeltveryuneasy.
(h)theyoungpilotwasonhisfirstoverseastrainingandfeltveryuneasy.
(i)theyoungpilot,whowasonhisfirstoverseastraining,feltveryuneasy.
(j)whentheyoungpilotwasonhis/firstoverseastrainging,hefeltveryuneasy.
(k)astheyoungpilotwasonhisfirstoverseastraining,hefeltveryuneasy.
(l)theyoungpilotwasonhisfirstoverseastraining,sothathefeltveryuneasy.
在上述12个句子中，(a)-(g)是简单句；(h)是并列句；(i)-(l)是复杂句。简单句除(b)和(g)之外，其他五样，用的人并不多。人们最喜欢采用复杂句，尤其是(j)和(k)这两款；接着便是并列句(h)。如果大多数人的句子只限于(b),(g),(h),(j)和(k)这五种，而其他的则弃如敝屣，不是很可惜吗？
增强英语语句表现力的有效方法
一、避免使用语意弱的“be”动词。
1、把句中的表语转换为不同的修饰语。例如：
weak:thetreesarebare.thegrassisbrown.thelandscapeseemsdrab.
revision:thebrowngrassandbaretreesformadrablandscape.(转换为前置定语)
or:thelandscape,bareandbrown,beggedforspringgreen.(转换为并列结构作后置定语)
2、将作表语用的形容词或名词变为行为动词。例如：
1)weak:theteammembersaregoodplayers.
revision:theteammembersplaywell.
2)weak:oneworker'splanistheeliminationoftardiness.
revision:oneworker'splaneliminatestardiness.
3、在以“here”或“there”开头的句子中，把“be”动词后的名词代词变成改写句的主语。例如：
1)weak:thereisnoopportunityforpromotion.
revision:noopportunityforpromotionexists.
2)weak:herearethebooksyouordered.
revision:thebooksyouorderedhavearrived.
二、多用语意具体的动词，保持句意简洁明了。例如：
1、poor:mysupervisorwentpastmydesk.
better:mysupervisorsauntered(=walkedslowly)pastmydesk.
2、poor:sheisacarefulshopper.
better:sheparespricesandquality.
三、尽量运用主动语态。例如：
1、weak:theorganizationhasbeensupportedbycharity.
better:charityhassupportedtheorganization.
2、weak:thebiscuitswerestackedonaplate.
better:motherstackedthebiscuitsonaplate.
四、防止使用语意冗长累赘的词语。例如：
1、wordy:mylittlesisterhasapreferenceforchocolatemilk.
improved:mylittlesisterpreferschocolatemilk.
2、wordy:weareinreceiptofyourletterandintendtofollowyourrmendations.
improved:wehavereceivedyourletterandintendedtofollowyourrmendation.
3、redundant:wehadaseriouscrisisatschoolyesterdaywhenourchemistrylaboratorycaughtfire.
improved:wehadacrisisatschoolyesterdaywhenourchemistrylaboratorycaughtfire.
4、redundant:mysisterandiboughtthesame,identicaldressindifferentstores.
improved:mysisterandiboughtthesamedressindifferentstores.
五、杜绝滥用陈旧词语或难懂的专业术语。例如：
1、weak:theywillnotagreetohisproposalsinanyshapeorform.
improved:theywillnotagreetoanyofhisproposals.
2、weak:ineedherfinancialinputbeforeicanguesstimateourexpendituresnextfall.
improved:ineedherfinancialfiguresbeforeicanestimateourexpendituresnextfall.
