We should help people in need as it is a tradition. (follow)
→ We should follow the tradition of helping people in need.

Passengers mustn't get off until the bus has stopped. (allowed)
→ Passengers are not allowed to get off until the bus has stopped.

In some ways, driving a car is not different from riding a motorbike. (similar)
→ In some ways, driving a car is similar to riding a motorbike.

Though the teacher instructed carefully, some students plagiarized. (however)
→ The teacher instructed carefully; however, some students plagiarized.

You can't study distant stars unless you have a radio telescope.
→ You can't study distant stars unless you possess a radio telescope.

We commemorate the national heroes with the names of streets. (commemorated)
→ The national heroes are commemorated with the names of streets.

Despite being born in Poland, Marie Curie was French. (although)
→ Although Marie Curie was born in Poland, she was French.

Jack couldn't advance to the next round because of his poor performance. (therefore)
→ Jack's poor performance therefore prevented him from advancing to the next round.

When the rain stops, I'll leave for the airport at once. (soon)
→ I will leave for the airport as soon as the rain stops.

The film was very interesting and we watched it through. (enough)
→ The film was interesting enough that we watched it through.