English verb conjugation
CAN DATABASE

Regular verb: database - databased - databased

Affirmation

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

Negation

Simple form	V-ing form
I cannot database you cannot database she cannot database we cannot database you cannot database they cannot database	I cannot be databasing you cannot be databasing she cannot be databasing we cannot be databasing you cannot be databasing they cannot be databasing
Perfect	V-ing perfect
I cannot have databased you cannot have databased she cannot have databased we cannot have databased you cannot have databased they cannot have databased	I cannot have been databasing you cannot have been databasing she cannot have been databasing we cannot have been databasing you cannot have been databasing they cannot have been databasing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not database? can you not database? can she not database? can we not database? can you not database? can they not database?	can I not be databasing? can you not be databasing? can she not be databasing? can we not be databasing? can you not be databasing? can they not be databasing?
Perfect	V-ing perfect
can I not have databased? can you not have databased? can she not have databased? can we not have databased? can you not have databased? can they not have databased?	can I not have been databasing? can you not have been databasing? can she not have been databasing? can we not have been databasing? can you not have been databasing? can they not have been databasing?