should submarine
Regular verb: submarine - submarined- submarined

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

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

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

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