could callous
Verbe régulier : callous - calloused- calloused

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could callous
you could callous
he could callous
we could callous
you could callous
they could callous 	I could be callousing
you could be callousing
he could be callousing
we could be callousing
you could be callousing
they could be callousing	I could have calloused
you could have calloused
he could have calloused
we could have calloused
you could have calloused
they could have calloused	I could have been callousing
you could have been callousing
he could have been callousing
we could have been callousing
you could have been callousing
they could have been callousing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't callous
you couldn't callous
he couldn't callous
we couldn't callous
you couldn't callous
they couldn't callous 	I couldn't be callousing
you couldn't be callousing
he couldn't be callousing
we couldn't be callousing
you couldn't be callousing
they couldn't be callousing	I couldn't have calloused
you couldn't have calloused
he couldn't have calloused
we couldn't have calloused
you couldn't have calloused
they couldn't have calloused	I couldn't have been callousing
you couldn't have been callousing
he couldn't have been callousing
we couldn't have been callousing
you couldn't have been callousing
they couldn't have been callousing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I callous?
could you callous?
could he callous?
could we callous?
could you callous?
could they callous? 	could I be callousing?
could you be callousing?
could he be callousing?
could we be callousing?
could you be callousing?
could they be callousing? 	could I have calloused?
could you have calloused?
could he have calloused?
could we have calloused?
could you have calloused?
could they have calloused? 	could I have been callousing?
could you have been callousing?
could he have been callousing?
could we have been callousing?
could you have been callousing?
could they have been callousing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I callous?
couldn't you callous?
couldn't he callous?
couldn't we callous?
couldn't you callous?
couldn't they callous? 	couldn't I be callousing?
couldn't you be callousing?
couldn't he be callousing?
couldn't we be callousing?
couldn't you be callousing?
couldn't they be callousing? 	couldn't I have calloused?
couldn't you have calloused?
couldn't he have calloused?
couldn't we have calloused?
couldn't you have calloused?
couldn't they have calloused? 	couldn't I have been callousing?
couldn't you have been callousing?
couldn't he have been callousing?
couldn't we have been callousing?
couldn't you have been callousing?
couldn't they have been callousing?