English verb conjugation
CAN BROWN

Regular verb: brown - browned - browned

Affirmation

Simple form	V-ing form
I can brown you can brown she can brown we can brown you can brown they can brown	I can be browning you can be browning she can be browning we can be browning you can be browning they can be browning
Perfect	V-ing perfect
I can have browned you can have browned she can have browned we can have browned you can have browned they can have browned	I can have been browning you can have been browning she can have been browning we can have been browning you can have been browning they can have been browning

Negation

Simple form	V-ing form
I can't brown you can't brown she can't brown we can't brown you can't brown they can't brown	I can't be browning you can't be browning she can't be browning we can't be browning you can't be browning they can't be browning
Perfect	V-ing perfect
I can't have browned you can't have browned she can't have browned we can't have browned you can't have browned they can't have browned	I can't have been browning you can't have been browning she can't have been browning we can't have been browning you can't have been browning they can't have been browning

Interrogative form

Simple form	V-ing form
can I brown? can you brown? can she brown? can we brown? can you brown? can they brown?	can I be browning? can you be browning? can she be browning? can we be browning? can you be browning? can they be browning?
Perfect	V-ing perfect
can I have browned? can you have browned? can she have browned? can we have browned? can you have browned? can they have browned?	can I have been browning? can you have been browning? can she have been browning? can we have been browning? can you have been browning? can they have been browning?

Interro-negative form

Simple form	V-ing form
can't I brown? can't you brown? can't she brown? can't we brown? can't you brown? can't they brown?	can't I be browning? can't you be browning? can't she be browning? can't we be browning? can't you be browning? can't they be browning?
Perfect	V-ing perfect
can't I have browned? can't you have browned? can't she have browned? can't we have browned? can't you have browned? can't they have browned?	can't I have been browning? can't you have been browning? can't she have been browning? can't we have been browning? can't you have been browning? can't they have been browning?