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 cannot drown you cannot drown he cannot drown we cannot drown you cannot drown they cannot drown	I cannot be drowning you cannot be drowning he cannot be drowning we cannot be drowning you cannot be drowning they cannot be drowning
Perfect	V-ing perfect
I cannot have drowned you cannot have drowned he cannot have drowned we cannot have drowned you cannot have drowned they cannot have drowned	I cannot have been drowning you cannot have been drowning he cannot have been drowning we cannot have been drowning you cannot have been drowning they cannot 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 I not drown? can you not drown? can he not drown? can we not drown? can you not drown? can they not drown?	can I not be drowning? can you not be drowning? can he not be drowning? can we not be drowning? can you not be drowning? can they not be drowning?
Perfect	V-ing perfect
can I not have drowned? can you not have drowned? can he not have drowned? can we not have drowned? can you not have drowned? can they not have drowned?	can I not have been drowning? can you not have been drowning? can he not have been drowning? can we not have been drowning? can you not have been drowning? can they not have been drowning?