Modal Auxiliaries

Which modal verb best expresses the highest degree of certainty?

• Could

• Might

• Must

• Should

Which modal verb conveys the least amount of certainty?

• Can

• May

• Shall

• Will

Which sentence uses a modal verb to show a high probability but not absolute certainty?

• I will attend the conference next month.

• You must complete the assignment by Friday.

• The package should arrive by tomorrow.

• I might be able to help you with that later.

Which modal verb is best used to make a polite request or suggestion?

• Would

• Could

• Might

• Should

Which modal verb best expresses certainty about a past event?

• Could have

• Might have

• Must have

• Should have

Which sentence uses a modal verb to show a high probability but not absolute certainty about the past?

• They might have gotten lost on the way.

• I could have finished the project earlier.

• He must have forgotten his wallet at home.

• She should have arrived by now.

Which modal verb expresses the least amount of certainty about a past event?

• Shall

• Could

• May

• Will

Which sentence uses a modal verb incorrectly to express certainty about the past?

• She would have finished her homework by now.

• The team must won the championship last year.

• I should have gone to the party last weekend.

• They could have visited the museum yesterday.

Which modal verb is commonly used to express permission or ability?

• Might

• Could

• May

• Can

Which modal verb is best used to make polite requests or offers?

• Will

• Should

• Must

• Would