Have the guests arrived ..... ?
Have the guests arrived yet?
Add YET or ALREADY: Have you called your mother?
Have you called your mother yet?
Add YET or ALREADY: We have visited that art gallery.
We have already visited that art gallery.
Add YET or ALREADY: The football match has started.
The football match has already started.
I have already (wash) the dishes.
I have already washed the dishes.
have / you / missed / just / him
You have just missed him.
Add YET or ALREADY: Has he been to the dentist about his bad tooth?
Has he been to the dentist (yet) about his bad tooth (yet)?
children / have / the / worry / Don't / finished / homework / their / already
Don't worry the children have already finished their homework.
Her dad has ......... cooked the dinner
Her dad has already cooked the dinner
She has already (see) this film.
She has already seen this film.
Add YET or ALREADY: I haven't done my homework.
I haven't done my homework yet.
Add YET or ALREADY: She has studied human biology.
She has already studied human biology.
Add YET or ALREADY: They haven't started preparing for the party.
They haven't started preparing for the party yet.