English verb conjugation
CAN COGITATE

Regular verb: cogitate - cogitated - cogitated

Affirmation

Simple form	V-ing form
I can cogitate you can cogitate he can cogitate we can cogitate you can cogitate they can cogitate	I can be cogitating you can be cogitating he can be cogitating we can be cogitating you can be cogitating they can be cogitating
Perfect	V-ing perfect
I can have cogitated you can have cogitated he can have cogitated we can have cogitated you can have cogitated they can have cogitated	I can have been cogitating you can have been cogitating he can have been cogitating we can have been cogitating you can have been cogitating they can have been cogitating

Negation

Simple form	V-ing form
I can't cogitate you can't cogitate he can't cogitate we can't cogitate you can't cogitate they can't cogitate	I can't be cogitating you can't be cogitating he can't be cogitating we can't be cogitating you can't be cogitating they can't be cogitating
Perfect	V-ing perfect
I can't have cogitated you can't have cogitated he can't have cogitated we can't have cogitated you can't have cogitated they can't have cogitated	I can't have been cogitating you can't have been cogitating he can't have been cogitating we can't have been cogitating you can't have been cogitating they can't have been cogitating

Interrogative form

Simple form	V-ing form
can I cogitate? can you cogitate? can he cogitate? can we cogitate? can you cogitate? can they cogitate?	can I be cogitating? can you be cogitating? can he be cogitating? can we be cogitating? can you be cogitating? can they be cogitating?
Perfect	V-ing perfect
can I have cogitated? can you have cogitated? can he have cogitated? can we have cogitated? can you have cogitated? can they have cogitated?	can I have been cogitating? can you have been cogitating? can he have been cogitating? can we have been cogitating? can you have been cogitating? can they have been cogitating?

Interro-negative form

Simple form	V-ing form
can't I cogitate? can't you cogitate? can't he cogitate? can't we cogitate? can't you cogitate? can't they cogitate?	can't I be cogitating? can't you be cogitating? can't he be cogitating? can't we be cogitating? can't you be cogitating? can't they be cogitating?
Perfect	V-ing perfect
can't I have cogitated? can't you have cogitated? can't he have cogitated? can't we have cogitated? can't you have cogitated? can't they have cogitated?	can't I have been cogitating? can't you have been cogitating? can't he have been cogitating? can't we have been cogitating? can't you have been cogitating? can't they have been cogitating?