English verb conjugation
CAN BUSY

Regular verb: busy - busied - busied

Affirmation

Simple form	V-ing form
I can busy you can busy he can busy we can busy you can busy they can busy	I can be busying you can be busying he can be busying we can be busying you can be busying they can be busying
Perfect	V-ing perfect
I can have busied you can have busied he can have busied we can have busied you can have busied they can have busied	I can have been busying you can have been busying he can have been busying we can have been busying you can have been busying they can have been busying

Negation

Simple form	V-ing form
I cannot busy you cannot busy he cannot busy we cannot busy you cannot busy they cannot busy	I cannot be busying you cannot be busying he cannot be busying we cannot be busying you cannot be busying they cannot be busying
Perfect	V-ing perfect
I cannot have busied you cannot have busied he cannot have busied we cannot have busied you cannot have busied they cannot have busied	I cannot have been busying you cannot have been busying he cannot have been busying we cannot have been busying you cannot have been busying they cannot have been busying

Interrogative form

Simple form	V-ing form
can I busy? can you busy? can he busy? can we busy? can you busy? can they busy?	can I be busying? can you be busying? can he be busying? can we be busying? can you be busying? can they be busying?
Perfect	V-ing perfect
can I have busied? can you have busied? can he have busied? can we have busied? can you have busied? can they have busied?	can I have been busying? can you have been busying? can he have been busying? can we have been busying? can you have been busying? can they have been busying?

Interro-negative form

Simple form	V-ing form
can I not busy? can you not busy? can he not busy? can we not busy? can you not busy? can they not busy?	can I not be busying? can you not be busying? can he not be busying? can we not be busying? can you not be busying? can they not be busying?
Perfect	V-ing perfect
can I not have busied? can you not have busied? can he not have busied? can we not have busied? can you not have busied? can they not have busied?	can I not have been busying? can you not have been busying? can he not have been busying? can we not have been busying? can you not have been busying? can they not have been busying?