English verb conjugation
MUST WINDLASS

Regular verb: windlass - windlassed - windlassed

Affirmation

Simple form	V-ing form
I must windlass you must windlass he must windlass we must windlass you must windlass they must windlass	I must be windlassing you must be windlassing he must be windlassing we must be windlassing you must be windlassing they must be windlassing
Perfect	V-ing perfect
I must have windlassed you must have windlassed he must have windlassed we must have windlassed you must have windlassed they must have windlassed	I must have been windlassing you must have been windlassing he must have been windlassing we must have been windlassing you must have been windlassing they must have been windlassing

Negation

Simple form	V-ing form
I mustn't windlass you mustn't windlass he mustn't windlass we mustn't windlass you mustn't windlass they mustn't windlass	I mustn't be windlassing you mustn't be windlassing he mustn't be windlassing we mustn't be windlassing you mustn't be windlassing they mustn't be windlassing
Perfect	V-ing perfect
I mustn't have windlassed you mustn't have windlassed he mustn't have windlassed we mustn't have windlassed you mustn't have windlassed they mustn't have windlassed	I mustn't have been windlassing you mustn't have been windlassing he mustn't have been windlassing we mustn't have been windlassing you mustn't have been windlassing they mustn't have been windlassing

Interrogative form

Simple form	V-ing form
must I windlass? must you windlass? must he windlass? must we windlass? must you windlass? must they windlass?	must I be windlassing? must you be windlassing? must he be windlassing? must we be windlassing? must you be windlassing? must they be windlassing?
Perfect	V-ing perfect
must I have windlassed? must you have windlassed? must he have windlassed? must we have windlassed? must you have windlassed? must they have windlassed?	must I have been windlassing? must you have been windlassing? must he have been windlassing? must we have been windlassing? must you have been windlassing? must they have been windlassing?

Interro-negative form

Simple form	V-ing form
mustn't I windlass? mustn't you windlass? mustn't he windlass? mustn't we windlass? mustn't you windlass? mustn't they windlass?	mustn't I be windlassing? mustn't you be windlassing? mustn't he be windlassing? mustn't we be windlassing? mustn't you be windlassing? mustn't they be windlassing?
Perfect	V-ing perfect
mustn't I have windlassed? mustn't you have windlassed? mustn't he have windlassed? mustn't we have windlassed? mustn't you have windlassed? mustn't they have windlassed?	mustn't I have been windlassing? mustn't you have been windlassing? mustn't he have been windlassing? mustn't we have been windlassing? mustn't you have been windlassing? mustn't they have been windlassing?