English verb conjugation
CAN STONE

Regular verb: stone - stoned - stoned

Affirmation

Simple form	V-ing form
I can stone you can stone he can stone we can stone you can stone they can stone	I can be stoning you can be stoning he can be stoning we can be stoning you can be stoning they can be stoning
Perfect	V-ing perfect
I can have stoned you can have stoned he can have stoned we can have stoned you can have stoned they can have stoned	I can have been stoning you can have been stoning he can have been stoning we can have been stoning you can have been stoning they can have been stoning

Negation

Simple form	V-ing form
I can't stone you can't stone he can't stone we can't stone you can't stone they can't stone	I can't be stoning you can't be stoning he can't be stoning we can't be stoning you can't be stoning they can't be stoning
Perfect	V-ing perfect
I can't have stoned you can't have stoned he can't have stoned we can't have stoned you can't have stoned they can't have stoned	I can't have been stoning you can't have been stoning he can't have been stoning we can't have been stoning you can't have been stoning they can't have been stoning

Interrogative form

Simple form	V-ing form
can I stone? can you stone? can he stone? can we stone? can you stone? can they stone?	can I be stoning? can you be stoning? can he be stoning? can we be stoning? can you be stoning? can they be stoning?
Perfect	V-ing perfect
can I have stoned? can you have stoned? can he have stoned? can we have stoned? can you have stoned? can they have stoned?	can I have been stoning? can you have been stoning? can he have been stoning? can we have been stoning? can you have been stoning? can they have been stoning?

Interro-negative form

Simple form	V-ing form
can't I stone? can't you stone? can't he stone? can't we stone? can't you stone? can't they stone?	can't I be stoning? can't you be stoning? can't he be stoning? can't we be stoning? can't you be stoning? can't they be stoning?
Perfect	V-ing perfect
can't I have stoned? can't you have stoned? can't he have stoned? can't we have stoned? can't you have stoned? can't they have stoned?	can't I have been stoning? can't you have been stoning? can't he have been stoning? can't we have been stoning? can't you have been stoning? can't they have been stoning?