can philosophize
Regular verb: philosophize - philosophized- philosophized

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

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

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

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