1."Make"isacausativeverbthatrequirestheinfinitiveformoftheverbfollowingit.Forexample:"Makehimcome."2.Whenusedinpassivevoice,theinfinitivemustincludethe"to."Forexample:"Hewasmadetocome."3.Theverb"let"followsthesamerulesas"make,"requiringtheinfinitiveform.Forexample:"Lethimcome."4."Help"isanothercausativeverbthatneedstheinfinitiveform.Forexample:"Helphimcome."5."Have"canalsobeusedinacausativesense,anditrequirestheinfinitiveform.Forexample:"Havehimcome."6.Thepassivevoicewithcausativeverbsrequirestheinfinitiveformwith"to"whenusingtheseverbs.Forexample:"Hewashadtocome."7."Get"isaversatileverbthatcanbecausative,anditrequirestheinfinitiveform.Forexample:"Gethimtocome."8."Leave"canalsobeusedcausatively,anditrequirestheinfinitiveform.Forexample:"Leavehimtocome."9.Thephrase"leavesbdoing"isusedwhenallowingsomeonetocontinueanaction.Forexample:"Leavehimcoming."10."Set"isanotherverbthatcanbecausativeandrequirestheinfinitiveform.Forexample:"Sethimtocome."11.It'simportanttonotethatwhenusingnegationwithcausativeverbs,theinfinitiveformmustinclude"to."Forexample:"Iwon'thavehimcome."12."Make"canalsobeusedinaquestiontoaskwhatsomeoneismakinganotherpersondo.Forexample:"Whatareyoumakinghimcomefor?"13.Thephrase"makesb/sthdone/adj./n"isusedwhentheactionoftheverbiscompletedorhasaneffectonthesubject.Forexample:"Thenewsmadehimhappy."14."Getsbtodo"isacommonwaytoexpressmakingsomeonedosomething.Forexample:"Ican'tgetanyonetocome."15."Getsthdone"isusedwhenhavingsomeoneelsecompleteanactiononyourbehalf.Forexample:"Imustgetmyhaircut."16."Leavesbtodosth"isusedwhenallowingsomeonetodosomethingindependently.Forexample:"Welefthimtopaintthegate."17."Leavesbdoing"isusedwhensomeoneisallowedtocontinueanongoingaction.Forexample:"Don'tleaveherwaitingoutsideintherain."18."Leavesthdone/adj./prep.phrase"isusedwhentheresultofanactionisleftinacertainstate.Forexample:"PleaseexcusemeifIhaveleftanyofyourquestionsunanswered."19.Thephrase"Iwasmadetorepeatthestory"isanexampleofthepassivevoicewith"make."20.Thephrase"Thenewsmadehimhappy"isanexampleof"make"usedtodescribeaneffectonsomeone.21.Thephrase"Hemadeherhiswife"isanexampleof"make"usedtodescribeanactionresultinginachangeofstatus.22."Causativeverbs"like"make,""have,""let,""help,""get,""set,""leave,"etc.,areusedtoindicatethatonepersonorthingcausesanotherpersonorthingtodosomething.