I must dent you must dent she must dent we must dent you must dent they must dent
V-ing form
I must be denting you must be denting she must be denting we must be denting you must be denting they must be denting
Perfect
I must have dented you must have dented she must have dented we must have dented you must have dented they must have dented
V-ing perfect
I must have been denting you must have been denting she must have been denting we must have been denting you must have been denting they must have been denting
Negation
Simple form
I must not dent you must not dent she must not dent we must not dent you must not dent they must not dent
V-ing form
I must not be denting you must not be denting she must not be denting we must not be denting you must not be denting they must not be denting
Perfect
I must not have dented you must not have dented she must not have dented we must not have dented you must not have dented they must not have dented
V-ing perfect
I must not have been denting you must not have been denting she must not have been denting we must not have been denting you must not have been denting they must not have been denting
Interrogative form
Simple form
must I dent? must you dent? must she dent? must we dent? must you dent? must they dent?
V-ing form
must I be denting? must you be denting? must she be denting? must we be denting? must you be denting? must they be denting?
Perfect
must I have dented? must you have dented? must she have dented? must we have dented? must you have dented? must they have dented?
V-ing perfect
must I have been denting? must you have been denting? must she have been denting? must we have been denting? must you have been denting? must they have been denting?
Interro-negative form
Simple form
must I not dent? must you not dent? must she not dent? must we not dent? must you not dent? must they not dent?
V-ing form
must I not be denting? must you not be denting? must she not be denting? must we not be denting? must you not be denting? must they not be denting?
Perfect
must I not have dented? must you not have dented? must she not have dented? must we not have dented? must you not have dented? must they not have dented?
V-ing perfect
must I not have been denting? must you not have been denting? must she not have been denting? must we not have been denting? must you not have been denting? must they not have been denting?