English verb conjugation
CAN THRUM

Regular verb: thrum - thrumed - thrumed

Affirmation

Simple form	V-ing form
I can thrum you can thrum he can thrum we can thrum you can thrum they can thrum	I can be thruming you can be thruming he can be thruming we can be thruming you can be thruming they can be thruming
Perfect	V-ing perfect
I can have thrumed you can have thrumed he can have thrumed we can have thrumed you can have thrumed they can have thrumed	I can have been thruming you can have been thruming he can have been thruming we can have been thruming you can have been thruming they can have been thruming

Negation

Simple form	V-ing form
I cannot thrum you cannot thrum he cannot thrum we cannot thrum you cannot thrum they cannot thrum	I cannot be thruming you cannot be thruming he cannot be thruming we cannot be thruming you cannot be thruming they cannot be thruming
Perfect	V-ing perfect
I cannot have thrumed you cannot have thrumed he cannot have thrumed we cannot have thrumed you cannot have thrumed they cannot have thrumed	I cannot have been thruming you cannot have been thruming he cannot have been thruming we cannot have been thruming you cannot have been thruming they cannot have been thruming

Interrogative form

Simple form	V-ing form
can I thrum? can you thrum? can he thrum? can we thrum? can you thrum? can they thrum?	can I be thruming? can you be thruming? can he be thruming? can we be thruming? can you be thruming? can they be thruming?
Perfect	V-ing perfect
can I have thrumed? can you have thrumed? can he have thrumed? can we have thrumed? can you have thrumed? can they have thrumed?	can I have been thruming? can you have been thruming? can he have been thruming? can we have been thruming? can you have been thruming? can they have been thruming?

Interro-negative form

Simple form	V-ing form
can I not thrum? can you not thrum? can he not thrum? can we not thrum? can you not thrum? can they not thrum?	can I not be thruming? can you not be thruming? can he not be thruming? can we not be thruming? can you not be thruming? can they not be thruming?
Perfect	V-ing perfect
can I not have thrumed? can you not have thrumed? can he not have thrumed? can we not have thrumed? can you not have thrumed? can they not have thrumed?	can I not have been thruming? can you not have been thruming? can he not have been thruming? can we not have been thruming? can you not have been thruming? can they not have been thruming?