1.When does the plan take off?When does the plan land?
2.When does the train leave?When does the train arrive?
3.The plane will take off 20 minutes from now.The plane will land 20 minutes from now.
4.The train will leave 20 minutes from now.The train will arrive 20 minutes from now.
5.The plane will take off 20 mintes earlier than scheduled.
The plane will land 20 minutes later than scheduled.
6.How many minutes will the plane take off than scheduled?
How many minutes will the plane land than scheduled?