bjr
present perfect => on rajouter "ED" à la base verbale du verbe - rien d'autre - jsute faire attention si verbes irréguliers - voir liste à apprendre par coeur
DID you smoke ?
we waitED for hours..
how long DID they look for him ?
what DID you do ?
she forgot (irrégulier)
he finishED..
she kwew (irrégulier)