English verb conjugation
CAN EXCOGITATE

Regular verb: excogitate - excogitated - excogitated

Affirmation

Simple form	V-ing form
I can excogitate you can excogitate she can excogitate we can excogitate you can excogitate they can excogitate	I can be excogitating you can be excogitating she can be excogitating we can be excogitating you can be excogitating they can be excogitating
Perfect	V-ing perfect
I can have excogitated you can have excogitated she can have excogitated we can have excogitated you can have excogitated they can have excogitated	I can have been excogitating you can have been excogitating she can have been excogitating we can have been excogitating you can have been excogitating they can have been excogitating

Negation

Simple form	V-ing form
I can't excogitate you can't excogitate she can't excogitate we can't excogitate you can't excogitate they can't excogitate	I can't be excogitating you can't be excogitating she can't be excogitating we can't be excogitating you can't be excogitating they can't be excogitating
Perfect	V-ing perfect
I can't have excogitated you can't have excogitated she can't have excogitated we can't have excogitated you can't have excogitated they can't have excogitated	I can't have been excogitating you can't have been excogitating she can't have been excogitating we can't have been excogitating you can't have been excogitating they can't have been excogitating

Interrogative form

Simple form	V-ing form
can I excogitate? can you excogitate? can she excogitate? can we excogitate? can you excogitate? can they excogitate?	can I be excogitating? can you be excogitating? can she be excogitating? can we be excogitating? can you be excogitating? can they be excogitating?
Perfect	V-ing perfect
can I have excogitated? can you have excogitated? can she have excogitated? can we have excogitated? can you have excogitated? can they have excogitated?	can I have been excogitating? can you have been excogitating? can she have been excogitating? can we have been excogitating? can you have been excogitating? can they have been excogitating?

Interro-negative form

Simple form	V-ing form
can't I excogitate? can't you excogitate? can't she excogitate? can't we excogitate? can't you excogitate? can't they excogitate?	can't I be excogitating? can't you be excogitating? can't she be excogitating? can't we be excogitating? can't you be excogitating? can't they be excogitating?
Perfect	V-ing perfect
can't I have excogitated? can't you have excogitated? can't she have excogitated? can't we have excogitated? can't you have excogitated? can't they have excogitated?	can't I have been excogitating? can't you have been excogitating? can't she have been excogitating? can't we have been excogitating? can't you have been excogitating? can't they have been excogitating?