180 Part 111 ISentenceStructure
Intheexamplesthatfollow,thesentencesinthecolumnontherightfollowthe
ruleofparallelism.Thelanguageskillsofthestudentsintheevening
classesarethesameasthelanguageskillsofthe
studentsinthedayclasses.
(Theitemsarebothnounphrases.)Theteacherwantedtoknowwhichcountrywecame
fromandwhatourfuturegoalswere.
(Theitemsarebothnounclauses.)Thestudentswhodowellattendclass,dotheir
homework,andpracticespeakinginEnglish.
(Theitemsareallverbs+complements.)MyEnglishconversationclassis madeupof
Chinese,Spaniards,andBosnians.
(Theitemsareallnouns.)Pesticidescannotbesoldif theyhavea harmfuleffectonhumans,onanimallife,
orontheenvironment.2.Allthewordsinthefirstitemdonotalwayshavetoberepeatedinthe
second.Youmayrepeatallorsomeofthewords,dependingonwhatyou
wishtoemphasize.Thefollowingsentencesarebothcorrect:
Beforeyouwritea paperorbeforeyoutakea test,youmustorganize
yourthoughts.Beforeyouwritea paperortakeatest,youmustorganizeyourthoughts.Words,phrases,andclausesthatarejoinedbyand,or,andbutarewlitteninparallel
form.Noticetheparallelstructuresjoinedbycoordinatorsinthefollowingsentences.
TheFederalAirPollutionControlAdministrationregulatesautomobileexhausts,
andtheFederalAviationAdministrationmakessimilarregulationsforaircraft.Thestatesregulatethenoisecreatedbymotorvehiclesbutnotbycommercial
aircraft.Thelanguageskillsofthestudentsintheevening
classesarethesameasthedayclasses.Notes
1.Youmaysubstitutea pronounforthesecond"thelanguageskills"inthe
lastexample:Thelanguageskillsofthestudentsintheeveningclassesarethesameas
thoseofthestudentsinthedayclasses.MyEnglishconversationclassismadeupofChinese,
Spaniards,andsomearefromBosnia.The teacherwantedtoknowwhichcountrywecame
fromandourfuturegoals.Thestudentswhodowellattendclass,theydotheir
homework,andpracticespeakinginEnglish.