Grammar:theNonfiniteverbs1
TheInfinitive2
TheV-ing3
ThePastParticipleDoinghomeworkDoinghomeworkisamust
isamust
Ienjoywritingletters
SeeingSeeingisisbelieving
believing
TheboyTheboystandingtherestandingthereismybrother
ismybrother
thefunctionoftheunderlinedwords:thefunctionoftheunderlinedwords:subjectsubjectobjectobjectPredicativePredicativeAttributeAttributeSSOOPPAAHearingthenoise,werushedoutoftheroom
AdvAdvAdverbialAdverbialOO
ObjectcomplementObjectcomplementsubjectobjectSubject,predicativeAttributeAdverbialObjectcomplementIheardtheboycrying
Admit,avoid,consider,delay,dislike,enjoy,escape,excuse,finish,imagine,mind,miss,practise,suggest,understand,feellike,giveup,can’thelp,lookforwardtoIcan’thelpcrying
Ilookforwardtoseeingmyfamilyagain
Girlsshouldlearnhowtoavoidbeinghurt
v-ing的形式时态主动