Present perfect
We (buy) a new lamp.
We have bought a new lamp.
Here is your car. I just washed it.
I have just washed it.
To be
been
last summer: I (swin)
I swam.
Someone (eat) my apple.
Someone has eaten my apple.
We (not/plan) our holiday yet.
We have not planned our holiday yet.
I practise skiing since my childhood.
I have practised skiing since my childhood. or
I have been practising skiing since my childhood.
to know
known
since Monday: he (walk)
He hasn't walked.
Oh no! I (break) a window.
Oh no! I have broken a window.
Where(be/ you)____?
Where have you been?
I never saw the film. I'd like to see it.
I have never seen the film.
to show
shown
four days ago: it rain
It rained.
My sister (start) a new job recently.
He (write) five letters.
He has written five letters.
Were you ever here before?
Have you ever been here before?
to run
run
In my life: I (be)
I haven't been.
You (not leave) your homework on the bus. Here it is.
You have not left your homework on the bus. Here it is.
She (not/see) him for a long time.
She has not seen him for a long time.
She always loved Spain. It's her favourite country.
She has always loved Spain.
to fall
fallen
until now: you (have)
We(already finish) our shopping.
We have already finished our shopping.