I must depolymerise you must depolymerise she must depolymerise we must depolymerise you must depolymerise they must depolymerise
V-ing form
I must be depolymerising you must be depolymerising she must be depolymerising we must be depolymerising you must be depolymerising they must be depolymerising
Perfect
I must have depolymerised you must have depolymerised she must have depolymerised we must have depolymerised you must have depolymerised they must have depolymerised
V-ing perfect
I must have been depolymerising you must have been depolymerising she must have been depolymerising we must have been depolymerising you must have been depolymerising they must have been depolymerising
Negation
Simple form
I must not depolymerise you must not depolymerise she must not depolymerise we must not depolymerise you must not depolymerise they must not depolymerise
V-ing form
I must not be depolymerising you must not be depolymerising she must not be depolymerising we must not be depolymerising you must not be depolymerising they must not be depolymerising
Perfect
I must not have depolymerised you must not have depolymerised she must not have depolymerised we must not have depolymerised you must not have depolymerised they must not have depolymerised
V-ing perfect
I must not have been depolymerising you must not have been depolymerising she must not have been depolymerising we must not have been depolymerising you must not have been depolymerising they must not have been depolymerising
Interrogative form
Simple form
must I depolymerise? must you depolymerise? must she depolymerise? must we depolymerise? must you depolymerise? must they depolymerise?
V-ing form
must I be depolymerising? must you be depolymerising? must she be depolymerising? must we be depolymerising? must you be depolymerising? must they be depolymerising?
Perfect
must I have depolymerised? must you have depolymerised? must she have depolymerised? must we have depolymerised? must you have depolymerised? must they have depolymerised?
V-ing perfect
must I have been depolymerising? must you have been depolymerising? must she have been depolymerising? must we have been depolymerising? must you have been depolymerising? must they have been depolymerising?
Interro-negative form
Simple form
must I not depolymerise? must you not depolymerise? must she not depolymerise? must we not depolymerise? must you not depolymerise? must they not depolymerise?
V-ing form
must I not be depolymerising? must you not be depolymerising? must she not be depolymerising? must we not be depolymerising? must you not be depolymerising? must they not be depolymerising?
Perfect
must I not have depolymerised? must you not have depolymerised? must she not have depolymerised? must we not have depolymerised? must you not have depolymerised? must they not have depolymerised?
V-ing perfect
must I not have been depolymerising? must you not have been depolymerising? must she not have been depolymerising? must we not have been depolymerising? must you not have been depolymerising? must they not have been depolymerising?