English verb conjugation
CAN FUME

Regular verb: fume - fumed - fumed

Affirmation

Simple form	V-ing form
I can fume you can fume he can fume we can fume you can fume they can fume	I can be fuming you can be fuming he can be fuming we can be fuming you can be fuming they can be fuming
Perfect	V-ing perfect
I can have fumed you can have fumed he can have fumed we can have fumed you can have fumed they can have fumed	I can have been fuming you can have been fuming he can have been fuming we can have been fuming you can have been fuming they can have been fuming

Negation

Simple form	V-ing form
I can't fume you can't fume he can't fume we can't fume you can't fume they can't fume	I can't be fuming you can't be fuming he can't be fuming we can't be fuming you can't be fuming they can't be fuming
Perfect	V-ing perfect
I can't have fumed you can't have fumed he can't have fumed we can't have fumed you can't have fumed they can't have fumed	I can't have been fuming you can't have been fuming he can't have been fuming we can't have been fuming you can't have been fuming they can't have been fuming

Interrogative form

Simple form	V-ing form
can I fume? can you fume? can he fume? can we fume? can you fume? can they fume?	can I be fuming? can you be fuming? can he be fuming? can we be fuming? can you be fuming? can they be fuming?
Perfect	V-ing perfect
can I have fumed? can you have fumed? can he have fumed? can we have fumed? can you have fumed? can they have fumed?	can I have been fuming? can you have been fuming? can he have been fuming? can we have been fuming? can you have been fuming? can they have been fuming?

Interro-negative form

Simple form	V-ing form
can't I fume? can't you fume? can't he fume? can't we fume? can't you fume? can't they fume?	can't I be fuming? can't you be fuming? can't he be fuming? can't we be fuming? can't you be fuming? can't they be fuming?
Perfect	V-ing perfect
can't I have fumed? can't you have fumed? can't he have fumed? can't we have fumed? can't you have fumed? can't they have fumed?	can't I have been fuming? can't you have been fuming? can't he have been fuming? can't we have been fuming? can't you have been fuming? can't they have been fuming?