English verb conjugation
MUST DEDUCE

Regular verb: deduce - deduced - deduced

Affirmation

Simple form	V-ing form
I must deduce you must deduce she must deduce we must deduce you must deduce they must deduce	I must be deducing you must be deducing she must be deducing we must be deducing you must be deducing they must be deducing
Perfect	V-ing perfect
I must have deduced you must have deduced she must have deduced we must have deduced you must have deduced they must have deduced	I must have been deducing you must have been deducing she must have been deducing we must have been deducing you must have been deducing they must have been deducing

Negation

Simple form	V-ing form
I must not deduce you must not deduce she must not deduce we must not deduce you must not deduce they must not deduce	I must not be deducing you must not be deducing she must not be deducing we must not be deducing you must not be deducing they must not be deducing
Perfect	V-ing perfect
I must not have deduced you must not have deduced she must not have deduced we must not have deduced you must not have deduced they must not have deduced	I must not have been deducing you must not have been deducing she must not have been deducing we must not have been deducing you must not have been deducing they must not have been deducing

Interrogative form

Simple form	V-ing form
must I deduce? must you deduce? must she deduce? must we deduce? must you deduce? must they deduce?	must I be deducing? must you be deducing? must she be deducing? must we be deducing? must you be deducing? must they be deducing?
Perfect	V-ing perfect
must I have deduced? must you have deduced? must she have deduced? must we have deduced? must you have deduced? must they have deduced?	must I have been deducing? must you have been deducing? must she have been deducing? must we have been deducing? must you have been deducing? must they have been deducing?

Interro-negative form

Simple form	V-ing form
must I not deduce? must you not deduce? must she not deduce? must we not deduce? must you not deduce? must they not deduce?	must I not be deducing? must you not be deducing? must she not be deducing? must we not be deducing? must you not be deducing? must they not be deducing?
Perfect	V-ing perfect
must I not have deduced? must you not have deduced? must she not have deduced? must we not have deduced? must you not have deduced? must they not have deduced?	must I not have been deducing? must you not have been deducing? must she not have been deducing? must we not have been deducing? must you not have been deducing? must they not have been deducing?