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 can't database you can't database she can't database we can't database you can't database they can't database	I can't be databasing you can't be databasing she can't be databasing we can't be databasing you can't be databasing they can't be databasing
Perfect	V-ing perfect
I can't have databased you can't have databased she can't have databased we can't have databased you can't have databased they can't have databased	I can't have been databasing you can't have been databasing she can't have been databasing we can't have been databasing you can't have been databasing they can't 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't I database? can't you database? can't she database? can't we database? can't you database? can't they database?	can't I be databasing? can't you be databasing? can't she be databasing? can't we be databasing? can't you be databasing? can't they be databasing?
Perfect	V-ing perfect
can't I have databased? can't you have databased? can't she have databased? can't we have databased? can't you have databased? can't they have databased?	can't I have been databasing? can't you have been databasing? can't she have been databasing? can't we have been databasing? can't you have been databasing? can't they have been databasing?