[Grammar] time clause test

[JarekSteliga]

When I tried to do this test English grammar - time clauses exercises 99% of my answers were marked as wrong. I wonder if they are actually unacceptable/awkward or just different from what the author of this test had in mind.

We'll send a message soon after we have got there. wrong
Right: Soon after we get there, we will send a message.

We are going to have a rest while being on holiday. wrong
Right: We are going to have a rest while we are on holiday.

He will not regret it until she has moved away. wrong
Right: He will not regret it until she moves away.

Can you water the flowers when we have left the house? wrong
Right: Can you water the flowers when we leave the house.

I will open the bottle the moment I have found the opener. wrong
Right: The moment I find the opener, I will open the bottle.

I'll come round after having finished my lesson by noon. wrong
Right: After I have finished my lesson by noon, I will come round.

 

[5jj]

We'll send a message soon after we have got there. [STRIKE]wrong[/STRIKE]Possible.
We are going to have a rest while being on holiday. wrong Yes, it is wrong.
He will not regret it until she has moved away. [STRIKE]wrong[/STRIKE] Possible.
Can you water the flowers when we have left the house? [STRIKE]wrong[/STRIKE] Possible.
I will open the bottle the moment I have found the opener.[STRIKE] wrong[/STRIKE]Possible
I'll come round after having finished my lesson by noon. wrong Yes, it is wrong.