Before the guests (arrive) on the island, none of them (meet) their host.
Before the guests arrived on the island, none of them had met their host.
Since they (arrive) on the island, two guests (die).
Since they arrived on the island, two guests have died.
At this point in the story, the guests (begin to worry).
At this point in the story, the guests are beginning to worry.
All the guests (accuse) of a crime.
All the guests have been accused of a crime. / All the guests were accused of a crime.
After the accusations, Emily Brent (not explain) her crime to the other guests.
After the accusations, Emily Brent didn't explain her crime to the other guests.
If the boat (not come), the guests __________________________.
If the boat doesn't come, the guests will need to find a way off the island.
Most of the guests (invite) Mr Owen.
Most of the guests were invited by Mr Owen.
During dinner, Armstrong and Martson (argue) about driving.
During dinner, Armstrong and Martson argued about driving.
Rogers (not understand) what (happen) with the toy soldiers.
Rogers does not understand what is happening with the toy soldiers.
The guests (discuss) the accusations when suddenly Marston (die).
The guests were discussing the accusations when suddenly Marston died.
Macarthur (believe) that the boat (not come).
Macarthur believes that the boat won't come.
The guests (sleep) when Mrs. Rogers (die).
The guests were sleeping when Mrs. Rogers died.
Before they (meet) on the island, Armstrong and Marston (have) a problem on the road.
Before they met on the island, Armstrong and Marston had had a problem on the road.
It (be) possible that the guests (be) all guilty.
It's possible that the guests are all guilty.
(Not be) enough space on the island for a killer to hide.
There is not enough space on the island for a killer to hide.
