English verb conjugation MUST CAVE

Regular verb: cave - caved - caved

Affirmation

Simple form

I must cave
you must cave
he must cave
we must cave
you must cave
they must cave

V-ing form

I must be caving
you must be caving
he must be caving
we must be caving
you must be caving
they must be caving

Perfect

I must have caved
you must have caved
he must have caved
we must have caved
you must have caved
they must have caved

V-ing perfect

I must have been caving
you must have been caving
he must have been caving
we must have been caving
you must have been caving
they must have been caving

Negation

Simple form

I must not cave
you must not cave
he must not cave
we must not cave
you must not cave
they must not cave

V-ing form

I must not be caving
you must not be caving
he must not be caving
we must not be caving
you must not be caving
they must not be caving

Perfect

I must not have caved
you must not have caved
he must not have caved
we must not have caved
you must not have caved
they must not have caved

V-ing perfect

I must not have been caving
you must not have been caving
he must not have been caving
we must not have been caving
you must not have been caving
they must not have been caving

Interrogative form

Simple form

must I cave?
must you cave?
must he cave?
must we cave?
must you cave?
must they cave?

V-ing form

must I be caving?
must you be caving?
must he be caving?
must we be caving?
must you be caving?
must they be caving?

Perfect

must I have caved?
must you have caved?
must he have caved?
must we have caved?
must you have caved?
must they have caved?

V-ing perfect

must I have been caving?
must you have been caving?
must he have been caving?
must we have been caving?
must you have been caving?
must they have been caving?

Interro-negative form

Simple form

must I not cave?
must you not cave?
must he not cave?
must we not cave?
must you not cave?
must they not cave?

V-ing form

must I not be caving?
must you not be caving?
must he not be caving?
must we not be caving?
must you not be caving?
must they not be caving?

Perfect

must I not have caved?
must you not have caved?
must he not have caved?
must we not have caved?
must you not have caved?
must they not have caved?

V-ing perfect

must I not have been caving?
must you not have been caving?
must he not have been caving?
must we not have been caving?
must you not have been caving?
must they not have been caving?

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