could piece
Verbe régulier : piece - pieced- pieced

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could piece
you could piece
she could piece
we could piece
you could piece
they could piece 	I could be piecing
you could be piecing
she could be piecing
we could be piecing
you could be piecing
they could be piecing	I could have pieced
you could have pieced
she could have pieced
we could have pieced
you could have pieced
they could have pieced	I could have been piecing
you could have been piecing
she could have been piecing
we could have been piecing
you could have been piecing
they could have been piecing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't piece
you couldn't piece
she couldn't piece
we couldn't piece
you couldn't piece
they couldn't piece 	I couldn't be piecing
you couldn't be piecing
she couldn't be piecing
we couldn't be piecing
you couldn't be piecing
they couldn't be piecing	I couldn't have pieced
you couldn't have pieced
she couldn't have pieced
we couldn't have pieced
you couldn't have pieced
they couldn't have pieced	I couldn't have been piecing
you couldn't have been piecing
she couldn't have been piecing
we couldn't have been piecing
you couldn't have been piecing
they couldn't have been piecing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I piece?
could you piece?
could she piece?
could we piece?
could you piece?
could they piece? 	could I be piecing?
could you be piecing?
could she be piecing?
could we be piecing?
could you be piecing?
could they be piecing? 	could I have pieced?
could you have pieced?
could she have pieced?
could we have pieced?
could you have pieced?
could they have pieced? 	could I have been piecing?
could you have been piecing?
could she have been piecing?
could we have been piecing?
could you have been piecing?
could they have been piecing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I piece?
couldn't you piece?
couldn't she piece?
couldn't we piece?
couldn't you piece?
couldn't they piece? 	couldn't I be piecing?
couldn't you be piecing?
couldn't she be piecing?
couldn't we be piecing?
couldn't you be piecing?
couldn't they be piecing? 	couldn't I have pieced?
couldn't you have pieced?
couldn't she have pieced?
couldn't we have pieced?
couldn't you have pieced?
couldn't they have pieced? 	couldn't I have been piecing?
couldn't you have been piecing?
couldn't she have been piecing?
couldn't we have been piecing?
couldn't you have been piecing?
couldn't they have been piecing?