Давайте разберёмся с каждым предложением по очереди:
She doesn’t often drive to work.
She rarely drives to work.Our plane took off three hours late.
Our takeoff was delayed by three hours.If you don’t hurry up, we will miss the boat.
If you don’t go quickly, we will miss the boat.The doctor can’t see you before 2 o’clock.
The earliest you can be seen is at 2 o’clock.It won’t be long before we arrive in Moscow.
We will arrive soon in Moscow.We are taking the car so we can move from place to place as we like.
We are taking the car so we can move around as we like.If you don’t slow down, we will have a crash.
Unless you drive more carefully, we will have a crash.Our station is the next one the train arrives at.
We get off at the next station.