English verb conjugation
COULD COGITATE

Regular verb: cogitate - cogitated - cogitated

Affirmation

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

Negation

Simple form	V-ing form
I could not cogitate you could not cogitate he could not cogitate we could not cogitate you could not cogitate they could not cogitate	I could not be cogitating you could not be cogitating he could not be cogitating we could not be cogitating you could not be cogitating they could not be cogitating
Perfect	V-ing perfect
I could not have cogitated you could not have cogitated he could not have cogitated we could not have cogitated you could not have cogitated they could not have cogitated	I could not have been cogitating you could not have been cogitating he could not have been cogitating we could not have been cogitating you could not have been cogitating they could not have been cogitating

Interrogative form

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

Interro-negative form

Simple form	V-ing form
could I not cogitate? could you not cogitate? could he not cogitate? could we not cogitate? could you not cogitate? could they not cogitate?	could I not be cogitating? could you not be cogitating? could he not be cogitating? could we not be cogitating? could you not be cogitating? could they not be cogitating?
Perfect	V-ing perfect
could I not have cogitated? could you not have cogitated? could he not have cogitated? could we not have cogitated? could you not have cogitated? could they not have cogitated?	could I not have been cogitating? could you not have been cogitating? could he not have been cogitating? could we not have been cogitating? could you not have been cogitating? could they not have been cogitating?