Understanding Must and Have To

Which sentence correctly expresses an obligation using 'must'?

• You must finish your homework before watching television.

• You must to finish your homework before watching television.

• You have finish your homework before watching television.

• You finishing your homework before watching television.

Choose the sentence that uses 'have to' correctly to express necessity.

• I have to go to the dentist at 3pm.

• I has to go to the dentist at 3pm.

• I have go to the dentist at 3pm.

• I musted go to the dentist at 3pm.

Which of the following sentences shows a rule or law?

• You must wear a helmet when riding a bike in Australia.

• You must to wear a helmet when riding a bike in Australia.

• You have wear a helmet when riding a bike in Australia.

• You wearing a helmet when riding a bike in Australia.

Select the sentence that uses 'must' to express a strong personal recommendation.

• You must try the pavlova at this café.

• You have to try the pavlova at this café.

• You musted try the pavlova at this café.

• You has to try the pavlova at this café.

Which sentence correctly uses 'have to' for an external obligation?

• I have to submit my assignment by Friday because the teacher said so.

• I must submit my assignment by Friday because the teacher said so.

• I musted submit my assignment by Friday because the teacher said so.

• I has to submit my assignment by Friday because the teacher said so.

Identify the sentence that uses 'must' incorrectly.

• You must to arrive on time.

• You must arrive on time.

• You must bring your own lunch.

• You must wear your uniform.

Which sentence best explains a necessity in context?

• You have to bring an umbrella because it is raining.

• You musted bring an umbrella because it is raining.

• You has to bring an umbrella because it is raining.

• You must to bring an umbrella because it is raining.

Choose the correct sentence using 'must' for a personal obligation.

• I must remember to call Mum tonight.

• I musted remember to call Mum tonight.

• I must to remember to call Mum tonight.

• I has to remember to call Mum tonight.

Which of the following sentences uses 'have to' to describe a daily routine?

• I have to wake up at 6am every weekday.

• I musted wake up at 6am every weekday.

• I has to wake up at 6am every weekday.

• I must to wake up at 6am every weekday.

Select the sentence that uses 'must' to express a logical deduction.

• She must be at home; her car is in the driveway.

• She musted be at home; her car is in the driveway.

• She has to be at home; her car is in the driveway.

• She must to be at home; her car is in the driveway.