English verb conjugation MUST CUCKOO

Regular verb: cuckoo - cuckooed - cuckooed

Affirmation

Simple form

I must cuckoo
you must cuckoo
he must cuckoo
we must cuckoo
you must cuckoo
they must cuckoo

V-ing form

I must be cuckooing
you must be cuckooing
he must be cuckooing
we must be cuckooing
you must be cuckooing
they must be cuckooing

Perfect

I must have cuckooed
you must have cuckooed
he must have cuckooed
we must have cuckooed
you must have cuckooed
they must have cuckooed

V-ing perfect

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

Negation

Simple form

I must not cuckoo
you must not cuckoo
he must not cuckoo
we must not cuckoo
you must not cuckoo
they must not cuckoo

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I cuckoo?
must you cuckoo?
must he cuckoo?
must we cuckoo?
must you cuckoo?
must they cuckoo?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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