English verb conjugation MUST WHISTLE

Regular verb: whistle - whistled - whistled

Affirmation

Simple form

I must whistle
you must whistle
he must whistle
we must whistle
you must whistle
they must whistle

V-ing form

I must be whistling
you must be whistling
he must be whistling
we must be whistling
you must be whistling
they must be whistling

Perfect

I must have whistled
you must have whistled
he must have whistled
we must have whistled
you must have whistled
they must have whistled

V-ing perfect

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

Negation

Simple form

I must not whistle
you must not whistle
he must not whistle
we must not whistle
you must not whistle
they must not whistle

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I whistle?
must you whistle?
must he whistle?
must we whistle?
must you whistle?
must they whistle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top