Must goes before the main verb - You must go to school now.
Must does not change its form - no past form
Must can be negative - must not / mustn't
Must is not followed by to - must to go home
Must means obligation, it is important or essential to do something - you must eat to live.
Must not /mustn't is negative obligation - you mustn't phone me at night.
Must also means deduction ie I am certain something is true, we use it when we don't know but have plenty of evidence that it is.
eg That house is very old ( I know this). That house must be very old. ( I don't know but the house looks old.)
Must is stronger than should, both have similar meanings of obligation and deduction but must is stronger
You must use the turning signal. You must also use the steering wheel.
Why must we use our resources wisely?
They must use their mind because they are trying to figure out things
Certainly. You must not kill people.
you must use some cheese
To organize your database objects you must use the: Navigation Pane
1. When must you use a child safety seat?
You must format it. Format a:
The routers must agree on the network type. The routers must use the same dead interval
To contract "must" and "not," you would use an apostrophe to combine them into "mustn't."
Drivers must use bright lights only when driving?
Nobody is compelling you to use Wikianswers.