English verb conjugation MUST SAIL

Regular verb: sail - sailed - sailed

Affirmation

Simple form

I must sail
you must sail
he must sail
we must sail
you must sail
they must sail

V-ing form

I must be sailing
you must be sailing
he must be sailing
we must be sailing
you must be sailing
they must be sailing

Perfect

I must have sailed
you must have sailed
he must have sailed
we must have sailed
you must have sailed
they must have sailed

V-ing perfect

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

Negation

Simple form

I must not sail
you must not sail
he must not sail
we must not sail
you must not sail
they must not sail

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I sail?
must you sail?
must he sail?
must we sail?
must you sail?
must they sail?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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