I must disharmonise you must disharmonise she must disharmonise we must disharmonise you must disharmonise they must disharmonise
V-ing form
I must be disharmonising you must be disharmonising she must be disharmonising we must be disharmonising you must be disharmonising they must be disharmonising
Perfect
I must have disharmonised you must have disharmonised she must have disharmonised we must have disharmonised you must have disharmonised they must have disharmonised
V-ing perfect
I must have been disharmonising you must have been disharmonising she must have been disharmonising we must have been disharmonising you must have been disharmonising they must have been disharmonising
Negation
Simple form
I must not disharmonise you must not disharmonise she must not disharmonise we must not disharmonise you must not disharmonise they must not disharmonise
V-ing form
I must not be disharmonising you must not be disharmonising she must not be disharmonising we must not be disharmonising you must not be disharmonising they must not be disharmonising
Perfect
I must not have disharmonised you must not have disharmonised she must not have disharmonised we must not have disharmonised you must not have disharmonised they must not have disharmonised
V-ing perfect
I must not have been disharmonising you must not have been disharmonising she must not have been disharmonising we must not have been disharmonising you must not have been disharmonising they must not have been disharmonising
Interrogative form
Simple form
must I disharmonise? must you disharmonise? must she disharmonise? must we disharmonise? must you disharmonise? must they disharmonise?
V-ing form
must I be disharmonising? must you be disharmonising? must she be disharmonising? must we be disharmonising? must you be disharmonising? must they be disharmonising?
Perfect
must I have disharmonised? must you have disharmonised? must she have disharmonised? must we have disharmonised? must you have disharmonised? must they have disharmonised?
V-ing perfect
must I have been disharmonising? must you have been disharmonising? must she have been disharmonising? must we have been disharmonising? must you have been disharmonising? must they have been disharmonising?
Interro-negative form
Simple form
must I not disharmonise? must you not disharmonise? must she not disharmonise? must we not disharmonise? must you not disharmonise? must they not disharmonise?
V-ing form
must I not be disharmonising? must you not be disharmonising? must she not be disharmonising? must we not be disharmonising? must you not be disharmonising? must they not be disharmonising?
Perfect
must I not have disharmonised? must you not have disharmonised? must she not have disharmonised? must we not have disharmonised? must you not have disharmonised? must they not have disharmonised?
V-ing perfect
must I not have been disharmonising? must you not have been disharmonising? must she not have been disharmonising? must we not have been disharmonising? must you not have been disharmonising? must they not have been disharmonising?