"Assist someone do" vs. "assist someone to do (or "in/with ...

The correct form, as you point out, is 'to assist someone to do (or "in/with" doing)"'. Quote 1 is from an ESL source, and could be interpreted as 'here to ... EnglishLanguage&UsageStackExchangeisaquestionandanswersiteforlinguists,etymologists,andseriousEnglishlanguageenthusiasts.Itonlytakesaminutetosignup. Signuptojointhiscommunity Anybodycanaskaquestion Anybodycananswer Thebestanswersarevotedupandrisetothetop Home Public Questions Tags Users Unanswered Teams StackOverflowforTeams –Collaborateandshareknowledgewithaprivategroup. CreateafreeTeam WhatisTeams? Teams CreatefreeTeam Teams Q&Aforwork Connectandshareknowledgewithinasinglelocationthatisstructuredandeasytosearch. Learnmore "Assistsomeonedo"vs."assistsomeonetodo(or"in/with"doing)" AskQuestion Asked 7years,8monthsago Active 2years,6monthsago Viewed 79ktimes 3 3 Ijustrecentlycameacross"assistsomeonedo"searchingGoogleforexamplestomypreviousquestion,andwouldliketocheckwithyouwhetheritisanacceptableoptionto"assistsomeonetodo(or"in/with"doing)",orasnapshotoflanguageintransition--analogouswith"helpsomeonedo"--thatIcaughthere. Pleaseconsiderthefollowingexamplesforthis: NAFDACistoassistyoudoyourbusinessright.source Ourcompanywillassistyoudoyourassignments...source (Godowntobottomofpageandlookup"TranstecInc., RobertRasmussenPE")Weareaspecialtyengineeringcompanywithaward-winningexpertiseinpavementsandpavementmaterials.Wecanassistyoudoyourjobbetter.source grammaridiomsusagemalapropism Share Improvethisquestion Follow editedMar4'14at20:57 Elian askedMar4'14at20:16 ElianElian 42.2k2525goldbadges118118silverbadges235235bronzebadges 1 1 NormallyassisttakesaninfinitivewithtointheBconfiguration;omittingitisnotcorrect.Thismaybeananalogywithhelp,whichdoesallowoptionalto-deletionintheBconfiguration.Thiscameupinarecentquestion. – JohnLawler Mar4'14at20:33 Addacomment  |  1Answer 1 Active Oldest Votes 3 Thecorrectform,asyoupointout,is'toassistsomeonetodo(or"in/with"doing)"'. Quote1isfromanESLsource,andcouldbeinterpretedas'heretoinsistyoudo'or'heretohelpyou[to]do'. Quote2isungrammatical.Itshouldbe'assistyouin/withdoing'. Icouldn'tlocatequote3,butcommentisasperquote2. (Amendedandupdatedbasedoncommentbelow) Share Improvethisanswer Follow editedMar28'19at12:04 answeredMar4'14at20:36 LeonConradLeonConrad 3,79922goldbadges1313silverbadges2424bronzebadges Addacomment  |  YourAnswer ThanksforcontributingananswertoEnglishLanguage&UsageStackExchange!Pleasebesuretoanswerthequestion.Providedetailsandshareyourresearch!Butavoid…Askingforhelp,clarification,orrespondingtootheranswers.Makingstatementsbasedonopinion;backthemupwithreferencesorpersonalexperience.Tolearnmore,seeourtipsonwritinggreatanswers. Draftsaved Draftdiscarded Signuporlogin SignupusingGoogle SignupusingFacebook SignupusingEmailandPassword Submit Postasaguest Name Email Required,butnevershown PostYourAnswer Discard Byclicking“PostYourAnswer”,youagreetoourtermsofservice,privacypolicyandcookiepolicy Nottheansweryou'relookingfor?Browseotherquestionstaggedgrammaridiomsusagemalapropismoraskyourownquestion. FeaturedonMeta PleasewelcomeValuedAssociates#999-BellaBlueϩ-SalmonofWisdom Nowlive:Afullyresponsiveprofile Versionlabelsforanswers Linked 0 To"to"orNotTo"to" 0 "tohelpotherpeopletochoose"vs."tohelpotherpeoplechoose"-istheformercorrect? Related 3 Isit"toplayagameonsomeone"or"playgameswithsomeone"? 1 "Associatewith[someone]"for"socializewith[someone]"incolloquialAE 5 Why"likedoingsomething"or"liketodosomething"butonly"dislikedoingsomething"? 1 Isitcorrecttosay"Wewillprovideyouwiththebestconsultationandassistyoufillingout..." 50 Termforbeingunabletoseeglaringerrorsafterworkingforsometimeonatask? 0 Linksentencewith"Bydoing" HotNetworkQuestions What'sthefirstmovietouseaproptodestroy/controlaentireworld? WouldahostnamefromanHTTPSiframeleakifloadedafterasuccessfulconnectionwithanotherHTTPShostnamewhichdisplayedtheiframe CanIhavesandthatis(a)neartransparentor(b)mirrorlike(notjusttheindividualparticlesbuttheentiredeserttogether)? Whendid5.25"floppiesexceedthecapacityof8"? 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