English verb conjugation
CAN BLACKBERRY

Regular verb: blackberry - blackberried - blackberried

Affirmation

Simple form	V-ing form
I can blackberry you can blackberry he can blackberry we can blackberry you can blackberry they can blackberry	I can be blackberrying you can be blackberrying he can be blackberrying we can be blackberrying you can be blackberrying they can be blackberrying
Perfect	V-ing perfect
I can have blackberried you can have blackberried he can have blackberried we can have blackberried you can have blackberried they can have blackberried	I can have been blackberrying you can have been blackberrying he can have been blackberrying we can have been blackberrying you can have been blackberrying they can have been blackberrying

Negation

Simple form	V-ing form
I can't blackberry you can't blackberry he can't blackberry we can't blackberry you can't blackberry they can't blackberry	I can't be blackberrying you can't be blackberrying he can't be blackberrying we can't be blackberrying you can't be blackberrying they can't be blackberrying
Perfect	V-ing perfect
I can't have blackberried you can't have blackberried he can't have blackberried we can't have blackberried you can't have blackberried they can't have blackberried	I can't have been blackberrying you can't have been blackberrying he can't have been blackberrying we can't have been blackberrying you can't have been blackberrying they can't have been blackberrying

Interrogative form

Simple form	V-ing form
can I blackberry? can you blackberry? can he blackberry? can we blackberry? can you blackberry? can they blackberry?	can I be blackberrying? can you be blackberrying? can he be blackberrying? can we be blackberrying? can you be blackberrying? can they be blackberrying?
Perfect	V-ing perfect
can I have blackberried? can you have blackberried? can he have blackberried? can we have blackberried? can you have blackberried? can they have blackberried?	can I have been blackberrying? can you have been blackberrying? can he have been blackberrying? can we have been blackberrying? can you have been blackberrying? can they have been blackberrying?

Interro-negative form

Simple form	V-ing form
can't I blackberry? can't you blackberry? can't he blackberry? can't we blackberry? can't you blackberry? can't they blackberry?	can't I be blackberrying? can't you be blackberrying? can't he be blackberrying? can't we be blackberrying? can't you be blackberrying? can't they be blackberrying?
Perfect	V-ing perfect
can't I have blackberried? can't you have blackberried? can't he have blackberried? can't we have blackberried? can't you have blackberried? can't they have blackberried?	can't I have been blackberrying? can't you have been blackberrying? can't he have been blackberrying? can't we have been blackberrying? can't you have been blackberrying? can't they have been blackberrying?