could cuckoo
Verbe régulier : cuckoo - cuckooed- cuckooed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could cuckoo
you could cuckoo
he could cuckoo
we could cuckoo
you could cuckoo
they could cuckoo 	I could be cuckooing
you could be cuckooing
he could be cuckooing
we could be cuckooing
you could be cuckooing
they could be cuckooing	I could have cuckooed
you could have cuckooed
he could have cuckooed
we could have cuckooed
you could have cuckooed
they could have cuckooed	I could have been cuckooing
you could have been cuckooing
he could have been cuckooing
we could have been cuckooing
you could have been cuckooing
they could have been cuckooing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't cuckoo
you couldn't cuckoo
he couldn't cuckoo
we couldn't cuckoo
you couldn't cuckoo
they couldn't cuckoo 	I couldn't be cuckooing
you couldn't be cuckooing
he couldn't be cuckooing
we couldn't be cuckooing
you couldn't be cuckooing
they couldn't be cuckooing	I couldn't have cuckooed
you couldn't have cuckooed
he couldn't have cuckooed
we couldn't have cuckooed
you couldn't have cuckooed
they couldn't have cuckooed	I couldn't have been cuckooing
you couldn't have been cuckooing
he couldn't have been cuckooing
we couldn't have been cuckooing
you couldn't have been cuckooing
they couldn't have been cuckooing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I cuckoo?
could you cuckoo?
could he cuckoo?
could we cuckoo?
could you cuckoo?
could they cuckoo? 	could I be cuckooing?
could you be cuckooing?
could he be cuckooing?
could we be cuckooing?
could you be cuckooing?
could they be cuckooing? 	could I have cuckooed?
could you have cuckooed?
could he have cuckooed?
could we have cuckooed?
could you have cuckooed?
could they have cuckooed? 	could I have been cuckooing?
could you have been cuckooing?
could he have been cuckooing?
could we have been cuckooing?
could you have been cuckooing?
could they have been cuckooing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I cuckoo?
couldn't you cuckoo?
couldn't he cuckoo?
couldn't we cuckoo?
couldn't you cuckoo?
couldn't they cuckoo? 	couldn't I be cuckooing?
couldn't you be cuckooing?
couldn't he be cuckooing?
couldn't we be cuckooing?
couldn't you be cuckooing?
couldn't they be cuckooing? 	couldn't I have cuckooed?
couldn't you have cuckooed?
couldn't he have cuckooed?
couldn't we have cuckooed?
couldn't you have cuckooed?
couldn't they have cuckooed? 	couldn't I have been cuckooing?
couldn't you have been cuckooing?
couldn't he have been cuckooing?
couldn't we have been cuckooing?
couldn't you have been cuckooing?
couldn't they have been cuckooing?