English verb conjugation
CAN BUTTERFLY

Regular verb: butterfly - butterflied - butterflied

Affirmation

Simple form	V-ing form
I can butterfly you can butterfly he can butterfly we can butterfly you can butterfly they can butterfly	I can be butterflying you can be butterflying he can be butterflying we can be butterflying you can be butterflying they can be butterflying
Perfect	V-ing perfect
I can have butterflied you can have butterflied he can have butterflied we can have butterflied you can have butterflied they can have butterflied	I can have been butterflying you can have been butterflying he can have been butterflying we can have been butterflying you can have been butterflying they can have been butterflying

Negation

Simple form	V-ing form
I can't butterfly you can't butterfly he can't butterfly we can't butterfly you can't butterfly they can't butterfly	I can't be butterflying you can't be butterflying he can't be butterflying we can't be butterflying you can't be butterflying they can't be butterflying
Perfect	V-ing perfect
I can't have butterflied you can't have butterflied he can't have butterflied we can't have butterflied you can't have butterflied they can't have butterflied	I can't have been butterflying you can't have been butterflying he can't have been butterflying we can't have been butterflying you can't have been butterflying they can't have been butterflying

Interrogative form

Simple form	V-ing form
can I butterfly? can you butterfly? can he butterfly? can we butterfly? can you butterfly? can they butterfly?	can I be butterflying? can you be butterflying? can he be butterflying? can we be butterflying? can you be butterflying? can they be butterflying?
Perfect	V-ing perfect
can I have butterflied? can you have butterflied? can he have butterflied? can we have butterflied? can you have butterflied? can they have butterflied?	can I have been butterflying? can you have been butterflying? can he have been butterflying? can we have been butterflying? can you have been butterflying? can they have been butterflying?

Interro-negative form

Simple form	V-ing form
can't I butterfly? can't you butterfly? can't he butterfly? can't we butterfly? can't you butterfly? can't they butterfly?	can't I be butterflying? can't you be butterflying? can't he be butterflying? can't we be butterflying? can't you be butterflying? can't they be butterflying?
Perfect	V-ing perfect
can't I have butterflied? can't you have butterflied? can't he have butterflied? can't we have butterflied? can't you have butterflied? can't they have butterflied?	can't I have been butterflying? can't you have been butterflying? can't he have been butterflying? can't we have been butterflying? can't you have been butterflying? can't they have been butterflying?