should combust
Verbe régulier : combust - combusted- combusted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd combust
you'd combust
he'd combust
we'd combust
you'd combust
they'd combust 	I'd be combusting
you'd be combusting
he'd be combusting
we'd be combusting
you'd be combusting
they'd be combusting	I should've combusted
you should've combusted
he should've combusted
we should've combusted
you should've combusted
they should've combusted	I should've been combusting
you should've been combusting
he should've been combusting
we should've been combusting
you should've been combusting
they should've been combusting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't combust
you shouldn't combust
he shouldn't combust
we shouldn't combust
you shouldn't combust
they shouldn't combust 	I shouldn't be combusting
you shouldn't be combusting
he shouldn't be combusting
we shouldn't be combusting
you shouldn't be combusting
they shouldn't be combusting	I shouldn't have combusted
you shouldn't have combusted
he shouldn't have combusted
we shouldn't have combusted
you shouldn't have combusted
they shouldn't have combusted	I shouldn't have been combusting
you shouldn't have been combusting
he shouldn't have been combusting
we shouldn't have been combusting
you shouldn't have been combusting
they shouldn't have been combusting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I combust?
should you combust?
should he combust?
should we combust?
should you combust?
should they combust? 	should I be combusting?
should you be combusting?
should he be combusting?
should we be combusting?
should you be combusting?
should they be combusting? 	should I have combusted?
should you have combusted?
should he have combusted?
should we have combusted?
should you have combusted?
should they have combusted? 	should I have been combusting?
should you have been combusting?
should he have been combusting?
should we have been combusting?
should you have been combusting?
should they have been combusting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I combust?
shouldn't you combust?
shouldn't he combust?
shouldn't we combust?
shouldn't you combust?
shouldn't they combust? 	shouldn't I be combusting?
shouldn't you be combusting?
shouldn't he be combusting?
shouldn't we be combusting?
shouldn't you be combusting?
shouldn't they be combusting? 	shouldn't I have combusted?
shouldn't you have combusted?
shouldn't he have combusted?
shouldn't we have combusted?
shouldn't you have combusted?
shouldn't they have combusted? 	shouldn't I have been combusting?
shouldn't you have been combusting?
shouldn't he have been combusting?
shouldn't we have been combusting?
shouldn't you have been combusting?
shouldn't they have been combusting?