English verb conjugation
CAN EXCOGITATE

Regular verb: excogitate - excogitated - excogitated

Affirmation

Simple form	V-ing form
I can excogitate you can excogitate he can excogitate we can excogitate you can excogitate they can excogitate	I can be excogitating you can be excogitating he 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 he 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 he 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 cannot excogitate you cannot excogitate he cannot excogitate we cannot excogitate you cannot excogitate they cannot excogitate	I cannot be excogitating you cannot be excogitating he cannot be excogitating we cannot be excogitating you cannot be excogitating they cannot be excogitating
Perfect	V-ing perfect
I cannot have excogitated you cannot have excogitated he cannot have excogitated we cannot have excogitated you cannot have excogitated they cannot have excogitated	I cannot have been excogitating you cannot have been excogitating he cannot have been excogitating we cannot have been excogitating you cannot have been excogitating they cannot have been excogitating

Interrogative form

Simple form	V-ing form
can I excogitate? can you excogitate? can he excogitate? can we excogitate? can you excogitate? can they excogitate?	can I be excogitating? can you be excogitating? can he 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 he 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 he 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 I not excogitate? can you not excogitate? can he not excogitate? can we not excogitate? can you not excogitate? can they not excogitate?	can I not be excogitating? can you not be excogitating? can he not be excogitating? can we not be excogitating? can you not be excogitating? can they not be excogitating?
Perfect	V-ing perfect
can I not have excogitated? can you not have excogitated? can he not have excogitated? can we not have excogitated? can you not have excogitated? can they not have excogitated?	can I not have been excogitating? can you not have been excogitating? can he not have been excogitating? can we not have been excogitating? can you not have been excogitating? can they not have been excogitating?