Present Perfect

has visit

has visited

 have visited

 has visiting

 have finish

have finishet

has finished

have finished

 has started

 have started

hasn't started

haven't started

 Have, swum

Have, swam

Have, swim

Has, swum

 has wrote

 has written

has writen

have written

 has bougt

has buyed

has bought

have bought

 has, been

 Have, been

 Has, been

have, been

 have, eaten

Have, ate

has, eaten

 Have, eaten

forget - forgot - forgetten

forget - forhet - forgot

forget - forgot - forgotten

 have, seen

Have, see

 have, saw

Have, seen

 have looked

has looked

have looket

have look

 have go

have gone

 have went

 has gone