English verb conjugation
MUST PARAFFIN

Regular verb: paraffin - paraffined - paraffined

Affirmation

Simple form	V-ing form
I must paraffin you must paraffin he must paraffin we must paraffin you must paraffin they must paraffin	I must be paraffining you must be paraffining he must be paraffining we must be paraffining you must be paraffining they must be paraffining
Perfect	V-ing perfect
I must have paraffined you must have paraffined he must have paraffined we must have paraffined you must have paraffined they must have paraffined	I must have been paraffining you must have been paraffining he must have been paraffining we must have been paraffining you must have been paraffining they must have been paraffining

Negation

Simple form	V-ing form
I mustn't paraffin you mustn't paraffin he mustn't paraffin we mustn't paraffin you mustn't paraffin they mustn't paraffin	I mustn't be paraffining you mustn't be paraffining he mustn't be paraffining we mustn't be paraffining you mustn't be paraffining they mustn't be paraffining
Perfect	V-ing perfect
I mustn't have paraffined you mustn't have paraffined he mustn't have paraffined we mustn't have paraffined you mustn't have paraffined they mustn't have paraffined	I mustn't have been paraffining you mustn't have been paraffining he mustn't have been paraffining we mustn't have been paraffining you mustn't have been paraffining they mustn't have been paraffining

Interrogative form

Simple form	V-ing form
must I paraffin? must you paraffin? must he paraffin? must we paraffin? must you paraffin? must they paraffin?	must I be paraffining? must you be paraffining? must he be paraffining? must we be paraffining? must you be paraffining? must they be paraffining?
Perfect	V-ing perfect
must I have paraffined? must you have paraffined? must he have paraffined? must we have paraffined? must you have paraffined? must they have paraffined?	must I have been paraffining? must you have been paraffining? must he have been paraffining? must we have been paraffining? must you have been paraffining? must they have been paraffining?

Interro-negative form

Simple form	V-ing form
mustn't I paraffin? mustn't you paraffin? mustn't he paraffin? mustn't we paraffin? mustn't you paraffin? mustn't they paraffin?	mustn't I be paraffining? mustn't you be paraffining? mustn't he be paraffining? mustn't we be paraffining? mustn't you be paraffining? mustn't they be paraffining?
Perfect	V-ing perfect
mustn't I have paraffined? mustn't you have paraffined? mustn't he have paraffined? mustn't we have paraffined? mustn't you have paraffined? mustn't they have paraffined?	mustn't I have been paraffining? mustn't you have been paraffining? mustn't he have been paraffining? mustn't we have been paraffining? mustn't you have been paraffining? mustn't they have been paraffining?