could stipple
Verbo regolare: stipple - stippled- stippled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could stipple
you could stipple
he could stipple
we could stipple
you could stipple
they could stipple 	I could be stippling
you could be stippling
he could be stippling
we could be stippling
you could be stippling
they could be stippling	I could have stippled
you could have stippled
he 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
he could have been stippling
we could have been stippling
you could have been stippling
they could have been stippling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't stipple
you couldn't stipple
he 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
he 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
he 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
he couldn't have been stippling
we couldn't have been stippling
you couldn't have been stippling
they couldn't have been stippling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I stipple?
could you stipple?
could he stipple?
could we stipple?
could you stipple?
could they stipple? 	could I be stippling?
could you be stippling?
could he be stippling?
could we be stippling?
could you be stippling?
could they be stippling? 	could I have stippled?
could you have stippled?
could he 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 he have been stippling?
could we have been stippling?
could you have been stippling?
could they have been stippling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I stipple?
couldn't you stipple?
couldn't he 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 he 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 he 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 he have been stippling?
couldn't we have been stippling?
couldn't you have been stippling?
couldn't they have been stippling?