English verb conjugation
CAN WINTER

Regular verb: winter - wintered - wintered

Affirmation

Simple form	V-ing form
I can winter you can winter he can winter we can winter you can winter they can winter	I can be wintering you can be wintering he can be wintering we can be wintering you can be wintering they can be wintering
Perfect	V-ing perfect
I can have wintered you can have wintered he can have wintered we can have wintered you can have wintered they can have wintered	I can have been wintering you can have been wintering he can have been wintering we can have been wintering you can have been wintering they can have been wintering

Negation

Simple form	V-ing form
I can't winter you can't winter he can't winter we can't winter you can't winter they can't winter	I can't be wintering you can't be wintering he can't be wintering we can't be wintering you can't be wintering they can't be wintering
Perfect	V-ing perfect
I can't have wintered you can't have wintered he can't have wintered we can't have wintered you can't have wintered they can't have wintered	I can't have been wintering you can't have been wintering he can't have been wintering we can't have been wintering you can't have been wintering they can't have been wintering

Interrogative form

Simple form	V-ing form
can I winter? can you winter? can he winter? can we winter? can you winter? can they winter?	can I be wintering? can you be wintering? can he be wintering? can we be wintering? can you be wintering? can they be wintering?
Perfect	V-ing perfect
can I have wintered? can you have wintered? can he have wintered? can we have wintered? can you have wintered? can they have wintered?	can I have been wintering? can you have been wintering? can he have been wintering? can we have been wintering? can you have been wintering? can they have been wintering?

Interro-negative form

Simple form	V-ing form
can't I winter? can't you winter? can't he winter? can't we winter? can't you winter? can't they winter?	can't I be wintering? can't you be wintering? can't he be wintering? can't we be wintering? can't you be wintering? can't they be wintering?
Perfect	V-ing perfect
can't I have wintered? can't you have wintered? can't he have wintered? can't we have wintered? can't you have wintered? can't they have wintered?	can't I have been wintering? can't you have been wintering? can't he have been wintering? can't we have been wintering? can't you have been wintering? can't they have been wintering?