English verb conjugation
CAN SUBMARINE

Regular verb: submarine - submarined - submarined

Affirmation

Simple form	V-ing form
I can submarine you can submarine she can submarine we can submarine you can submarine they can submarine	I can be submarining you can be submarining she 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 she 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 she 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 can't submarine you can't submarine she can't submarine we can't submarine you can't submarine they can't submarine	I can't be submarining you can't be submarining she can't be submarining we can't be submarining you can't be submarining they can't be submarining
Perfect	V-ing perfect
I can't have submarined you can't have submarined she can't have submarined we can't have submarined you can't have submarined they can't have submarined	I can't have been submarining you can't have been submarining she can't have been submarining we can't have been submarining you can't have been submarining they can't have been submarining

Interrogative form

Simple form	V-ing form
can I submarine? can you submarine? can she submarine? can we submarine? can you submarine? can they submarine?	can I be submarining? can you be submarining? can she 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 she 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 she 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't I submarine? can't you submarine? can't she submarine? can't we submarine? can't you submarine? can't they submarine?	can't I be submarining? can't you be submarining? can't she be submarining? can't we be submarining? can't you be submarining? can't they be submarining?
Perfect	V-ing perfect
can't I have submarined? can't you have submarined? can't she have submarined? can't we have submarined? can't you have submarined? can't they have submarined?	can't I have been submarining? can't you have been submarining? can't she have been submarining? can't we have been submarining? can't you have been submarining? can't they have been submarining?