Surprise
write
written
I/eat/bulgogi/in Mexico city.
I have eaten bulgogi in Mexico city.
I/not see/him since last Monday.
I haven't seen him since last Monday.
you/ever/be/to San Francisco.
CLIMBED
HAS
They/buy/warm clothes/since last year.
They have bought warm clothes since last year.
I haven't done my math homework.
When/you/watch/this movie.
When have you watched this movie?
SURF
SURFED
When we use I, YOU, THEY, WE in present perfect we need the auxiliary:
HAVE
We/live/here/for/fifty years.
We have lived here for fifty years.
She/not/study/for the history exam/yet.
She hasn't study for the history exam yet.
Have you done bungee jumping?
EAT
EATEN
Gone
She/try/new food/in California.
She has tried new food in California.
Can you create a negative sentence using present perfect?
---
Why/not/they/finish/this work.
Why haven't they finished this work?
WATER
SLEEP
SLEPT
They have worked here since 2009.
I/not/go/camping/with my family/since 2008.
I haven't gone camping with my family since 2008.
you/surf/in Sayulita.
Have you surfed in Sayulita?
Say the WH-questions we use in present perfect tense.
What, why, when, where, who.