Present perfect 1 Copy and complete the table. Use the words: hasn't, have, haven't. Find examples in the texts on p. 30. done We/You/They 1) Affirmative Long Form Short Form lyou have walked/done l/you 've walked/done He/She/it has walked/ He/She/It's walked/ done We/You/They've walked/done walked/done Negative Long Form Short Form l/you have not l/you haven't walked/done walked/done He/She/It has not He/She/lt 2) walked/done walked/done We/You/They have not We/You/They 3) walked/done walked/done Form: have/has + past participle Use: We use the present perfect for. • actions which started in the past and continue to the present. They have been here since 2008. • life experiences. (time isn't stated) I've tried Chinese food • actions that happened in the past and we can see their results in the present. She's broken her leg. (When? We don't know, but we can see that her leg is in plaster.) Compare: He has gone to Niagara Falls. (He's still there.) He has been to Niagara Falls. (He's back now.) Time expressions with the present perfect: since, for, never, ever, yet, already, just, this week, etc.​