could ripple
Verbe régulier : ripple - rippled- rippled
Traduction française : se rider - rider 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could ripple
you could ripple
he could ripple
we could ripple
you could ripple
they could ripple 	I could be rippling
you could be rippling
he could be rippling
we could be rippling
you could be rippling
they could be rippling	I could have rippled
you could have rippled
he could have rippled
we could have rippled
you could have rippled
they could have rippled	I could have been rippling
you could have been rippling
he could have been rippling
we could have been rippling
you could have been rippling
they could have been rippling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't ripple
you couldn't ripple
he couldn't ripple
we couldn't ripple
you couldn't ripple
they couldn't ripple 	I couldn't be rippling
you couldn't be rippling
he couldn't be rippling
we couldn't be rippling
you couldn't be rippling
they couldn't be rippling	I couldn't have rippled
you couldn't have rippled
he couldn't have rippled
we couldn't have rippled
you couldn't have rippled
they couldn't have rippled	I couldn't have been rippling
you couldn't have been rippling
he couldn't have been rippling
we couldn't have been rippling
you couldn't have been rippling
they couldn't have been rippling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I ripple?
could you ripple?
could he ripple?
could we ripple?
could you ripple?
could they ripple? 	could I be rippling?
could you be rippling?
could he be rippling?
could we be rippling?
could you be rippling?
could they be rippling? 	could I have rippled?
could you have rippled?
could he have rippled?
could we have rippled?
could you have rippled?
could they have rippled? 	could I have been rippling?
could you have been rippling?
could he have been rippling?
could we have been rippling?
could you have been rippling?
could they have been rippling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I ripple?
couldn't you ripple?
couldn't he ripple?
couldn't we ripple?
couldn't you ripple?
couldn't they ripple? 	couldn't I be rippling?
couldn't you be rippling?
couldn't he be rippling?
couldn't we be rippling?
couldn't you be rippling?
couldn't they be rippling? 	couldn't I have rippled?
couldn't you have rippled?
couldn't he have rippled?
couldn't we have rippled?
couldn't you have rippled?
couldn't they have rippled? 	couldn't I have been rippling?
couldn't you have been rippling?
couldn't he have been rippling?
couldn't we have been rippling?
couldn't you have been rippling?
couldn't they have been rippling?