English verb conjugation
MUST GROOVE

Regular verb: groove - grooved - grooved

Affirmation

Simple form	V-ing form
I must groove you must groove he must groove we must groove you must groove they must groove	I must be grooving you must be grooving he must be grooving we must be grooving you must be grooving they must be grooving
Perfect	V-ing perfect
I must have grooved you must have grooved he must have grooved we must have grooved you must have grooved they must have grooved	I must have been grooving you must have been grooving he must have been grooving we must have been grooving you must have been grooving they must have been grooving

Negation

Simple form	V-ing form
I mustn't groove you mustn't groove he mustn't groove we mustn't groove you mustn't groove they mustn't groove	I mustn't be grooving you mustn't be grooving he mustn't be grooving we mustn't be grooving you mustn't be grooving they mustn't be grooving
Perfect	V-ing perfect
I mustn't have grooved you mustn't have grooved he mustn't have grooved we mustn't have grooved you mustn't have grooved they mustn't have grooved	I mustn't have been grooving you mustn't have been grooving he mustn't have been grooving we mustn't have been grooving you mustn't have been grooving they mustn't have been grooving

Interrogative form

Simple form	V-ing form
must I groove? must you groove? must he groove? must we groove? must you groove? must they groove?	must I be grooving? must you be grooving? must he be grooving? must we be grooving? must you be grooving? must they be grooving?
Perfect	V-ing perfect
must I have grooved? must you have grooved? must he have grooved? must we have grooved? must you have grooved? must they have grooved?	must I have been grooving? must you have been grooving? must he have been grooving? must we have been grooving? must you have been grooving? must they have been grooving?

Interro-negative form

Simple form	V-ing form
mustn't I groove? mustn't you groove? mustn't he groove? mustn't we groove? mustn't you groove? mustn't they groove?	mustn't I be grooving? mustn't you be grooving? mustn't he be grooving? mustn't we be grooving? mustn't you be grooving? mustn't they be grooving?
Perfect	V-ing perfect
mustn't I have grooved? mustn't you have grooved? mustn't he have grooved? mustn't we have grooved? mustn't you have grooved? mustn't they have grooved?	mustn't I have been grooving? mustn't you have been grooving? mustn't he have been grooving? mustn't we have been grooving? mustn't you have been grooving? mustn't they have been grooving?