English verb conjugation MUST DETERIORATE

Regular verb: deteriorate - deteriorated - deteriorated

Affirmation

Simple form

I must deteriorate
you must deteriorate
he must deteriorate
we must deteriorate
you must deteriorate
they must deteriorate

V-ing form

I must be deteriorating
you must be deteriorating
he must be deteriorating
we must be deteriorating
you must be deteriorating
they must be deteriorating

Perfect

I must have deteriorated
you must have deteriorated
he must have deteriorated
we must have deteriorated
you must have deteriorated
they must have deteriorated

V-ing perfect

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

Negation

Simple form

I must not deteriorate
you must not deteriorate
he must not deteriorate
we must not deteriorate
you must not deteriorate
they must not deteriorate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

must I deteriorate?
must you deteriorate?
must he deteriorate?
must we deteriorate?
must you deteriorate?
must they deteriorate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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