6. Expression necessity and obligation

Posted by Muchlas Edika Friday, March 04, 2011, under | No comments

Must is often used to indicate 'personal' obligation  what you think yourself or other people/things must do. The obligation comes from outside (a rule or law). 
Have to or need to are often used to indicate neccessity (but not always).   It means doesn't come from a rule or law.
Here are the expressions to show necessity and obligation :
 - It is necessary for you to be here on time.
 - You must finish your reports before the boss ask you.
 - We don't need to come to the party, I think.
 - You have to submit the report by June 2 nd 
 - We must be here before the teacher comes
 - The school must provide more sports facilities. 
 - You have to clean the keyboard regularly.
   - I really must get some exercise.   
   - People must try to be more tolerant of each other.
   - If you own a car, you have to pay an annual road tax.

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