be
been
I / be / to Costa Rica.
I have been to Costa Rica.
I / not see / him / since / Monday.
I haven’t seen him since Monday.
you / ever / call / for an ambulance / ?
Have you ever called for an ambulance?
It / rain / for / hours.
It has rained for hours.
keep
kept
They / ride / horses.
They have ridden horses.
I / not try / bungee-jumping.
I haven’t tried bungee-jumping.
Susan / ever / be / to California / ?
Has Susan ever been to California?
I / play / the guitar / ever / since / I / be / a teenager.
I have played the guitar ever since I was a teenager.
catch
caught
Lucas and Paul / read / ‘Harry Potter’ / twice.
Lucas and Paul have read ‘Harry Potter’ twice.
I / not do / too many stupid things in my life.
I haven’t done too many stupid things in my life.
how long / he / be / a teacher / ?
How long has he been a teacher?
Someone / just / steal / my wallet!
Someone has just stolen my wallet!
begin
begun
They / be / married / for / fifty years.
They have been married for fifty years.
I / not forgive / you!
I haven’t forgiven you!
we / eat / at this restaurant / ?
Have we eaten at this restaurant?
Present Perfect (?)
they / already / choose / a movie on Netflix / ?
Have they already chosen a movie on Netflix?
become
become
I / know / you / for / 15 years, but / I / never / see / you / look / like that / before.
I have known you for 15 years, but I have never seen you look like that before.
I / never / meet / my cousins.
I have never met my cousins.
you / ever / write / a letter / or / send / a card/ to a famous person / ?
Have you ever written a letter or sent a card to a famous person?
She / not wear / that ring / ‘FOR’ or ‘SINCE’ / a year.
She hasn’t worn that ring for a year.