could submerse
Verbe régulier : submerse - submersed- submersed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could submerse
you could submerse
she could submerse
we could submerse
you could submerse
they could submerse 	I could be submersing
you could be submersing
she could be submersing
we could be submersing
you could be submersing
they could be submersing	I could have submersed
you could have submersed
she could have submersed
we could have submersed
you could have submersed
they could have submersed	I could have been submersing
you could have been submersing
she could have been submersing
we could have been submersing
you could have been submersing
they could have been submersing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't submerse
you couldn't submerse
she couldn't submerse
we couldn't submerse
you couldn't submerse
they couldn't submerse 	I couldn't be submersing
you couldn't be submersing
she couldn't be submersing
we couldn't be submersing
you couldn't be submersing
they couldn't be submersing	I couldn't have submersed
you couldn't have submersed
she couldn't have submersed
we couldn't have submersed
you couldn't have submersed
they couldn't have submersed	I couldn't have been submersing
you couldn't have been submersing
she couldn't have been submersing
we couldn't have been submersing
you couldn't have been submersing
they couldn't have been submersing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I submerse?
could you submerse?
could she submerse?
could we submerse?
could you submerse?
could they submerse? 	could I be submersing?
could you be submersing?
could she be submersing?
could we be submersing?
could you be submersing?
could they be submersing? 	could I have submersed?
could you have submersed?
could she have submersed?
could we have submersed?
could you have submersed?
could they have submersed? 	could I have been submersing?
could you have been submersing?
could she have been submersing?
could we have been submersing?
could you have been submersing?
could they have been submersing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I submerse?
couldn't you submerse?
couldn't she submerse?
couldn't we submerse?
couldn't you submerse?
couldn't they submerse? 	couldn't I be submersing?
couldn't you be submersing?
couldn't she be submersing?
couldn't we be submersing?
couldn't you be submersing?
couldn't they be submersing? 	couldn't I have submersed?
couldn't you have submersed?
couldn't she have submersed?
couldn't we have submersed?
couldn't you have submersed?
couldn't they have submersed? 	couldn't I have been submersing?
couldn't you have been submersing?
couldn't she have been submersing?
couldn't we have been submersing?
couldn't you have been submersing?
couldn't they have been submersing?