could stipple
Verbe régulier : stipple - stippled- stippled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could stipple
you could stipple
she could stipple
we could stipple
you could stipple
they could stipple 	I could be stippling
you could be stippling
she could be stippling
we could be stippling
you could be stippling
they could be stippling	I could have stippled
you could have stippled
she could have stippled
we could have stippled
you could have stippled
they could have stippled	I could have been stippling
you could have been stippling
she could have been stippling
we could have been stippling
you could have been stippling
they could have been stippling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't stipple
you couldn't stipple
she couldn't stipple
we couldn't stipple
you couldn't stipple
they couldn't stipple 	I couldn't be stippling
you couldn't be stippling
she couldn't be stippling
we couldn't be stippling
you couldn't be stippling
they couldn't be stippling	I couldn't have stippled
you couldn't have stippled
she couldn't have stippled
we couldn't have stippled
you couldn't have stippled
they couldn't have stippled	I couldn't have been stippling
you couldn't have been stippling
she couldn't have been stippling
we couldn't have been stippling
you couldn't have been stippling
they couldn't have been stippling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I stipple?
could you stipple?
could she stipple?
could we stipple?
could you stipple?
could they stipple? 	could I be stippling?
could you be stippling?
could she be stippling?
could we be stippling?
could you be stippling?
could they be stippling? 	could I have stippled?
could you have stippled?
could she have stippled?
could we have stippled?
could you have stippled?
could they have stippled? 	could I have been stippling?
could you have been stippling?
could she have been stippling?
could we have been stippling?
could you have been stippling?
could they have been stippling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I stipple?
couldn't you stipple?
couldn't she stipple?
couldn't we stipple?
couldn't you stipple?
couldn't they stipple? 	couldn't I be stippling?
couldn't you be stippling?
couldn't she be stippling?
couldn't we be stippling?
couldn't you be stippling?
couldn't they be stippling? 	couldn't I have stippled?
couldn't you have stippled?
couldn't she have stippled?
couldn't we have stippled?
couldn't you have stippled?
couldn't they have stippled? 	couldn't I have been stippling?
couldn't you have been stippling?
couldn't she have been stippling?
couldn't we have been stippling?
couldn't you have been stippling?
couldn't they have been stippling?