Cannot Vs Must Not. Both should and must are similar in meaning except that must is a much stronger word as compared to should Should is the past tense of shall Should. However you wouldnt necessarily use them in the same contexts.
Cannot can be further shortened into the contraction cant. Then he asks Why not. Both should and must are similar in meaning except that must is a much stronger word as compared to should Should is the past tense of shall Should.
Its now in repair.
Or My father is using it now. Must does not have a past or a future form. Its not the fact that may needs to be always a formal way to ask or say things it also stands for possibility. Is a phrase which is often translated as no deber and cannot.
