do, did
done
I (went / have gone) to the movies twice this week.
have gone -- continuing time period
4+ years of experience in the field
qualification (experience)
I (have been studying/ had been studying / will have been studying) English for 3 years now.
have been studying
We walked to work.
Did we walk to work?
is, was
been
I (was / have been) in Brazil before.
have been -- continuing time period (your life)
Can operate heavy machinery
had worked
Have you been there once?
get, got
gotten
I (tried / have tried) the escargots when I was in France.
tried -- completed time period
skill -- something you can do well
had studied
You knew about it.
Did you know about it?
I (went / have gone) to the park this morning.
gone --- this morning is over
Dedicated and hardworking
By the time I'm 40, I (have taught / had taught / will have taught) English for 14 years.
will have taught
We had known it long before you did.
Had we known it long before you did?
can, could
been able to
We (studied / have studied) a lot this past week.
Detail-oriented
When (have you / had you / will you have) finished the project? It's due next week.
Will you have
She will have graduated before 2022?
Will she have graduated before 2022?