English verb conjugation
CAN DROWN

Regular verb: drown - drowned - drowned

Affirmation

Simple form	V-ing form
I can drown you can drown he can drown we can drown you can drown they can drown	I can be drowning you can be drowning he can be drowning we can be drowning you can be drowning they can be drowning
Perfect	V-ing perfect
I can have drowned you can have drowned he can have drowned we can have drowned you can have drowned they can have drowned	I can have been drowning you can have been drowning he can have been drowning we can have been drowning you can have been drowning they can have been drowning

Negation

Simple form	V-ing form
I can't drown you can't drown he can't drown we can't drown you can't drown they can't drown	I can't be drowning you can't be drowning he can't be drowning we can't be drowning you can't be drowning they can't be drowning
Perfect	V-ing perfect
I can't have drowned you can't have drowned he can't have drowned we can't have drowned you can't have drowned they can't have drowned	I can't have been drowning you can't have been drowning he can't have been drowning we can't have been drowning you can't have been drowning they can't have been drowning

Interrogative form

Simple form	V-ing form
can I drown? can you drown? can he drown? can we drown? can you drown? can they drown?	can I be drowning? can you be drowning? can he be drowning? can we be drowning? can you be drowning? can they be drowning?
Perfect	V-ing perfect
can I have drowned? can you have drowned? can he have drowned? can we have drowned? can you have drowned? can they have drowned?	can I have been drowning? can you have been drowning? can he have been drowning? can we have been drowning? can you have been drowning? can they have been drowning?

Interro-negative form

Simple form	V-ing form
can't I drown? can't you drown? can't he drown? can't we drown? can't you drown? can't they drown?	can't I be drowning? can't you be drowning? can't he be drowning? can't we be drowning? can't you be drowning? can't they be drowning?
Perfect	V-ing perfect
can't I have drowned? can't you have drowned? can't he have drowned? can't we have drowned? can't you have drowned? can't they have drowned?	can't I have been drowning? can't you have been drowning? can't he have been drowning? can't we have been drowning? can't you have been drowning? can't they have been drowning?