English verb conjugation
MUST DATABASE

Regular verb: database - databased - databased

Affirmation

Simple form	V-ing form
I must database you must database he must database we must database you must database they must database	I must be databasing you must be databasing he must be databasing we must be databasing you must be databasing they must be databasing
Perfect	V-ing perfect
I must have databased you must have databased he must have databased we must have databased you must have databased they must have databased	I must have been databasing you must have been databasing he must have been databasing we must have been databasing you must have been databasing they must have been databasing

Negation

Simple form	V-ing form
I mustn't database you mustn't database he mustn't database we mustn't database you mustn't database they mustn't database	I mustn't be databasing you mustn't be databasing he mustn't be databasing we mustn't be databasing you mustn't be databasing they mustn't be databasing
Perfect	V-ing perfect
I mustn't have databased you mustn't have databased he mustn't have databased we mustn't have databased you mustn't have databased they mustn't have databased	I mustn't have been databasing you mustn't have been databasing he mustn't have been databasing we mustn't have been databasing you mustn't have been databasing they mustn't have been databasing

Interrogative form

Simple form	V-ing form
must I database? must you database? must he database? must we database? must you database? must they database?	must I be databasing? must you be databasing? must he be databasing? must we be databasing? must you be databasing? must they be databasing?
Perfect	V-ing perfect
must I have databased? must you have databased? must he have databased? must we have databased? must you have databased? must they have databased?	must I have been databasing? must you have been databasing? must he have been databasing? must we have been databasing? must you have been databasing? must they have been databasing?

Interro-negative form

Simple form	V-ing form
mustn't I database? mustn't you database? mustn't he database? mustn't we database? mustn't you database? mustn't they database?	mustn't I be databasing? mustn't you be databasing? mustn't he be databasing? mustn't we be databasing? mustn't you be databasing? mustn't they be databasing?
Perfect	V-ing perfect
mustn't I have databased? mustn't you have databased? mustn't he have databased? mustn't we have databased? mustn't you have databased? mustn't they have databased?	mustn't I have been databasing? mustn't you have been databasing? mustn't he have been databasing? mustn't we have been databasing? mustn't you have been databasing? mustn't they have been databasing?