English verb conjugation
MUST CUSHION

Regular verb: cushion - cushioned - cushioned

Affirmation

Simple form	V-ing form
I must cushion you must cushion he must cushion we must cushion you must cushion they must cushion	I must be cushioning you must be cushioning he must be cushioning we must be cushioning you must be cushioning they must be cushioning
Perfect	V-ing perfect
I must have cushioned you must have cushioned he must have cushioned we must have cushioned you must have cushioned they must have cushioned	I must have been cushioning you must have been cushioning he must have been cushioning we must have been cushioning you must have been cushioning they must have been cushioning

Negation

Simple form	V-ing form
I mustn't cushion you mustn't cushion he mustn't cushion we mustn't cushion you mustn't cushion they mustn't cushion	I mustn't be cushioning you mustn't be cushioning he mustn't be cushioning we mustn't be cushioning you mustn't be cushioning they mustn't be cushioning
Perfect	V-ing perfect
I mustn't have cushioned you mustn't have cushioned he mustn't have cushioned we mustn't have cushioned you mustn't have cushioned they mustn't have cushioned	I mustn't have been cushioning you mustn't have been cushioning he mustn't have been cushioning we mustn't have been cushioning you mustn't have been cushioning they mustn't have been cushioning

Interrogative form

Simple form	V-ing form
must I cushion? must you cushion? must he cushion? must we cushion? must you cushion? must they cushion?	must I be cushioning? must you be cushioning? must he be cushioning? must we be cushioning? must you be cushioning? must they be cushioning?
Perfect	V-ing perfect
must I have cushioned? must you have cushioned? must he have cushioned? must we have cushioned? must you have cushioned? must they have cushioned?	must I have been cushioning? must you have been cushioning? must he have been cushioning? must we have been cushioning? must you have been cushioning? must they have been cushioning?

Interro-negative form

Simple form	V-ing form
mustn't I cushion? mustn't you cushion? mustn't he cushion? mustn't we cushion? mustn't you cushion? mustn't they cushion?	mustn't I be cushioning? mustn't you be cushioning? mustn't he be cushioning? mustn't we be cushioning? mustn't you be cushioning? mustn't they be cushioning?
Perfect	V-ing perfect
mustn't I have cushioned? mustn't you have cushioned? mustn't he have cushioned? mustn't we have cushioned? mustn't you have cushioned? mustn't they have cushioned?	mustn't I have been cushioning? mustn't you have been cushioning? mustn't he have been cushioning? mustn't we have been cushioning? mustn't you have been cushioning? mustn't they have been cushioning?