Giving Advice / Suggestion

I _________ be careful while driving.

• Must

• Have to

• Should

• Must not

She _________ finish her homework by this afternoon.

• Has to

• Have to

• Must

• Need to

You __________ clean your room before you are allowed to go out.

• Need to

• Have to

• Don't have to

• Must

He __________ do something that will make himself sad.

• Must not

• Have to

• Need to

• Should

They __________ wear a tie at work.

• Should not

• Don't have to

• Must not

• Can not

What is the purpose of using "must/have to" in a sentence?

• To express strong obligation in doing something.

• To give advice to someone about what should they do.

• To give opinion on someone's idea or statement.

• To accept someone's offer to help.

Which of the following is the grammatically correct sentence for the use of "must"?

• I must finishing all of my works tonight.

• Felix must not to wear sandals inside the mosque.

• Irene must get ready before 6:00 AM.

• Passengers not must talk to the driver.

In which condition we use "must not" in a sentence?

• When we express our thankfulness to someone.

• When we tell someone our capability.

• When we ask someone to do us a favor.

• When we prohibit someone from doing something.

The use of "don't have to" indicates that the condition is......

• An obligation.

• Not an obligation.

• An advice.

• A suggestion.

What is one of the differences between "have to" and "must"?

• "Have to" mainly expresses general obligation, while "must" is used for specific obligation.

• Both "have to" and "must" indicate strong obligation.

• "Have to" expresses weak obligation, while "must" expresses strong obligation.

• "Have to" is used for past event, while "must" is used for present event.