English verb conjugation MUST GLADDEN

Regular verb: gladden - gladdened - gladdened

Affirmation

Simple form

I must gladden
you must gladden
he must gladden
we must gladden
you must gladden
they must gladden

V-ing form

I must be gladdening
you must be gladdening
he must be gladdening
we must be gladdening
you must be gladdening
they must be gladdening

Perfect

I must have gladdened
you must have gladdened
he must have gladdened
we must have gladdened
you must have gladdened
they must have gladdened

V-ing perfect

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

Negation

Simple form

I must not gladden
you must not gladden
he must not gladden
we must not gladden
you must not gladden
they must not gladden

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I gladden?
must you gladden?
must he gladden?
must we gladden?
must you gladden?
must they gladden?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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