should ground
Verbe régulier : ground - grounded- grounded
Traduction française : fonder - échouer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should ground
you should ground
he should ground
we should ground
you should ground
they should ground 	I should be grounding
you should be grounding
he should be grounding
we should be grounding
you should be grounding
they should be grounding	I should have grounded
you should have grounded
he should have grounded
we should have grounded
you should have grounded
they should have grounded	I should have been grounding
you should have been grounding
he should have been grounding
we should have been grounding
you should have been grounding
they should have been grounding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not ground
you should not ground
he should not ground
we should not ground
you should not ground
they should not ground 	I should not be grounding
you should not be grounding
he should not be grounding
we should not be grounding
you should not be grounding
they should not be grounding	I should not have grounded
you should not have grounded
he should not have grounded
we should not have grounded
you should not have grounded
they should not have grounded	I should not have been grounding
you should not have been grounding
he should not have been grounding
we should not have been grounding
you should not have been grounding
they should not have been grounding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I ground?
should you ground?
should he ground?
should we ground?
should you ground?
should they ground? 	should I be grounding?
should you be grounding?
should he be grounding?
should we be grounding?
should you be grounding?
should they be grounding? 	should I have grounded?
should you have grounded?
should he have grounded?
should we have grounded?
should you have grounded?
should they have grounded? 	should I have been grounding?
should you have been grounding?
should he have been grounding?
should we have been grounding?
should you have been grounding?
should they have been grounding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not ground?
should you not ground?
should he not ground?
should we not ground?
should you not ground?
should they not ground? 	should I not be grounding?
should you not be grounding?
should he not be grounding?
should we not be grounding?
should you not be grounding?
should they not be grounding? 	should I not have grounded?
should you not have grounded?
should he not have grounded?
should we not have grounded?
should you not have grounded?
should they not have grounded? 	should I not have been grounding?
should you not have been grounding?
should he not have been grounding?
should we not have been grounding?
should you not have been grounding?
should they not have been grounding?