Tagged: must

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Must vs. Have To

Both must and have to can be used to express the conclusion that something is certain. Note that have to is more common in American English. He must be mad to do this. (OR He has to be mad to...

Modal Auxiliary Verb Must

Must is a modal auxiliary verb. It has no –s in the third person singular. He must go. (NOT He musts go…) Must is followed by an infinitive without to. I must get some rest. You must finish the report today itself. You must...

Conversational Structures

Must to express inference or probability Read the following sentences. She must be about thirty years old. You must have been mad to do such a thing. In the examples given above, must does not express compulsion or obligation, but...

Must vs. Have To

In British English, both must and have to can be used to talk about necessity and obligation. Americans usually use have to, especially in speech. I must reach home before 6 o’clock. OR I have to reach home before 6 o’clock. Note that must is...

Special Uses of Must And Cannot

Must can be used to express the conclusion that something is certain or highly probable. If A is older than B, and B is older is than C, then A must be older than...

Must In Questions And Negatives

Must can be used in questions to ask about what the hearer thinks is necessary. Must I clean all the windows? (= Do you think that I should clean all the windows?) Must we...