English verb conjugation
CAN BERRY

Regular verb: berry - berried - berried

Affirmation

Simple form	V-ing form
I can berry you can berry he can berry we can berry you can berry they can berry	I can be berrying you can be berrying he can be berrying we can be berrying you can be berrying they can be berrying
Perfect	V-ing perfect
I can have berried you can have berried he can have berried we can have berried you can have berried they can have berried	I can have been berrying you can have been berrying he can have been berrying we can have been berrying you can have been berrying they can have been berrying

Negation

Simple form	V-ing form
I can't berry you can't berry he can't berry we can't berry you can't berry they can't berry	I can't be berrying you can't be berrying he can't be berrying we can't be berrying you can't be berrying they can't be berrying
Perfect	V-ing perfect
I can't have berried you can't have berried he can't have berried we can't have berried you can't have berried they can't have berried	I can't have been berrying you can't have been berrying he can't have been berrying we can't have been berrying you can't have been berrying they can't have been berrying

Interrogative form

Simple form	V-ing form
can I berry? can you berry? can he berry? can we berry? can you berry? can they berry?	can I be berrying? can you be berrying? can he be berrying? can we be berrying? can you be berrying? can they be berrying?
Perfect	V-ing perfect
can I have berried? can you have berried? can he have berried? can we have berried? can you have berried? can they have berried?	can I have been berrying? can you have been berrying? can he have been berrying? can we have been berrying? can you have been berrying? can they have been berrying?

Interro-negative form

Simple form	V-ing form
can't I berry? can't you berry? can't he berry? can't we berry? can't you berry? can't they berry?	can't I be berrying? can't you be berrying? can't he be berrying? can't we be berrying? can't you be berrying? can't they be berrying?
Perfect	V-ing perfect
can't I have berried? can't you have berried? can't he have berried? can't we have berried? can't you have berried? can't they have berried?	can't I have been berrying? can't you have been berrying? can't he have been berrying? can't we have been berrying? can't you have been berrying? can't they have been berrying?