English verb conjugation
CAN SUBMARINE

Regular verb: submarine - submarined - submarined

Affirmation

Simple form	V-ing form
I can submarine you can submarine he can submarine we can submarine you can submarine they can submarine	I can be submarining you can be submarining he can be submarining we can be submarining you can be submarining they can be submarining
Perfect	V-ing perfect
I can have submarined you can have submarined he can have submarined we can have submarined you can have submarined they can have submarined	I can have been submarining you can have been submarining he can have been submarining we can have been submarining you can have been submarining they can have been submarining

Negation

Simple form	V-ing form
I cannot submarine you cannot submarine he cannot submarine we cannot submarine you cannot submarine they cannot submarine	I cannot be submarining you cannot be submarining he cannot be submarining we cannot be submarining you cannot be submarining they cannot be submarining
Perfect	V-ing perfect
I cannot have submarined you cannot have submarined he cannot have submarined we cannot have submarined you cannot have submarined they cannot have submarined	I cannot have been submarining you cannot have been submarining he cannot have been submarining we cannot have been submarining you cannot have been submarining they cannot have been submarining

Interrogative form

Simple form	V-ing form
can I submarine? can you submarine? can he submarine? can we submarine? can you submarine? can they submarine?	can I be submarining? can you be submarining? can he be submarining? can we be submarining? can you be submarining? can they be submarining?
Perfect	V-ing perfect
can I have submarined? can you have submarined? can he have submarined? can we have submarined? can you have submarined? can they have submarined?	can I have been submarining? can you have been submarining? can he have been submarining? can we have been submarining? can you have been submarining? can they have been submarining?

Interro-negative form

Simple form	V-ing form
can I not submarine? can you not submarine? can he not submarine? can we not submarine? can you not submarine? can they not submarine?	can I not be submarining? can you not be submarining? can he not be submarining? can we not be submarining? can you not be submarining? can they not be submarining?
Perfect	V-ing perfect
can I not have submarined? can you not have submarined? can he not have submarined? can we not have submarined? can you not have submarined? can they not have submarined?	can I not have been submarining? can you not have been submarining? can he not have been submarining? can we not have been submarining? can you not have been submarining? can they not have been submarining?