have to ? Must ?
There is essentially no difference between the meaning of these two modals, - they both express obligation. However, "have to" also usually carries the extra meaning that "it is important or necessary to do something".
The only real difficulty in usage comes when you want to put them in different tenses - "Must" cannot change tense. So, if you want to put "I must go home." into the past or future, you have to use "had to" or "will have to". You cannot say "musted" or "will must".
|link comment||answered Oct 27 '11 at 06:47 Agreeonpurpose Contributor|
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