Modal Verbs and Traffic Rules Quiz

Which modal verb expresses lack of necessity or prohibition?

• a) can't

• b) don't have to

• c) must

• d) should

Which modal verb expresses past ability or possibility?

• a) can

• b) could

• c) may

• d) must

Pedestrians ______ cross the road when the traffic light is red.

• a) can

• b) mustn't

• c) may

• d) couldn't

Which modal verb expresses ability or permission?

• a) can

• b) must

• c) should

• d) couldn't

Drivers ______ obey traffic signs for safety reasons.

• a) should

• b) mustn't

• c) can

• d) don't have to

Which modal verb expresses possibility or permission?

• a) must

• b) may

• c) would

• d) couldn't

Drivers ______ stop at a stop sign.

• a) should

• b) must

• c) can't

• d) may not

Drivers ______ use their indicators to signal when turning.

• a) must

• b) may

• c) can't

• d) should

Drivers ______ yield to pedestrians at a crosswalk.

• a) must

• b) can't

• c) may

• d) should

Passengers ______ wear seat belts for safety.

• a) may

• b) should

• c) mustn't

• d) can't