English verb conjugation
COULD PHILOSOPHIZE

Regular verb: philosophize - philosophized - philosophized

Affirmation

Simple form	V-ing form
I could philosophize you could philosophize he could philosophize we could philosophize you could philosophize they could philosophize	I could be philosophizing you could be philosophizing he could be philosophizing we could be philosophizing you could be philosophizing they could be philosophizing
Perfect	V-ing perfect
I could have philosophized you could have philosophized he could have philosophized we could have philosophized you could have philosophized they could have philosophized	I could have been philosophizing you could have been philosophizing he could have been philosophizing we could have been philosophizing you could have been philosophizing they could have been philosophizing

Negation

Simple form	V-ing form
I couldn't philosophize you couldn't philosophize he couldn't philosophize we couldn't philosophize you couldn't philosophize they couldn't philosophize	I couldn't be philosophizing you couldn't be philosophizing he couldn't be philosophizing we couldn't be philosophizing you couldn't be philosophizing they couldn't be philosophizing
Perfect	V-ing perfect
I couldn't have philosophized you couldn't have philosophized he couldn't have philosophized we couldn't have philosophized you couldn't have philosophized they couldn't have philosophized	I couldn't have been philosophizing you couldn't have been philosophizing he couldn't have been philosophizing we couldn't have been philosophizing you couldn't have been philosophizing they couldn't have been philosophizing

Interrogative form

Simple form	V-ing form
could I philosophize? could you philosophize? could he philosophize? could we philosophize? could you philosophize? could they philosophize?	could I be philosophizing? could you be philosophizing? could he be philosophizing? could we be philosophizing? could you be philosophizing? could they be philosophizing?
Perfect	V-ing perfect
could I have philosophized? could you have philosophized? could he have philosophized? could we have philosophized? could you have philosophized? could they have philosophized?	could I have been philosophizing? could you have been philosophizing? could he have been philosophizing? could we have been philosophizing? could you have been philosophizing? could they have been philosophizing?

Interro-negative form

Simple form	V-ing form
couldn't I philosophize? couldn't you philosophize? couldn't he philosophize? couldn't we philosophize? couldn't you philosophize? couldn't they philosophize?	couldn't I be philosophizing? couldn't you be philosophizing? couldn't he be philosophizing? couldn't we be philosophizing? couldn't you be philosophizing? couldn't they be philosophizing?
Perfect	V-ing perfect
couldn't I have philosophized? couldn't you have philosophized? couldn't he have philosophized? couldn't we have philosophized? couldn't you have philosophized? couldn't they have philosophized?	couldn't I have been philosophizing? couldn't you have been philosophizing? couldn't he have been philosophizing? couldn't we have been philosophizing? couldn't you have been philosophizing? couldn't they have been philosophizing?