Alan ran in the 400 meter raceinstead ofthe 800 meter race.
Alan ran in the 400 meter raceunlessthe 800 meter race.
Allison asked for helpso thatstruggle through the problem.
Allison asked for helprather thanstruggle through the problem.
I need to let the dog outbeforeI leave for school.
I need to let the dog outthatI leave for school.
Please don’t leave the roomuntilthe teacher has given you permission.
Please don’t leave the roomoncethe teacher has given you permission.
Michelle took care of her sisterso thather mom could go to work.
Michelle took care of her sisterrather thanher mom could go to work.