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 cannot fume you cannot fume he cannot fume we cannot fume you cannot fume they cannot fume	I cannot be fuming you cannot be fuming he cannot be fuming we cannot be fuming you cannot be fuming they cannot be fuming
Perfect	V-ing perfect
I cannot have fumed you cannot have fumed he cannot have fumed we cannot have fumed you cannot have fumed they cannot have fumed	I cannot have been fuming you cannot have been fuming he cannot have been fuming we cannot have been fuming you cannot have been fuming they cannot 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 I not fume? can you not fume? can he not fume? can we not fume? can you not fume? can they not fume?	can I not be fuming? can you not be fuming? can he not be fuming? can we not be fuming? can you not be fuming? can they not be fuming?
Perfect	V-ing perfect
can I not have fumed? can you not have fumed? can he not have fumed? can we not have fumed? can you not have fumed? can they not have fumed?	can I not have been fuming? can you not have been fuming? can he not have been fuming? can we not have been fuming? can you not have been fuming? can they not have been fuming?