could cross-train
Verbe régulier : cross-train - cross-trained- cross-trained

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could cross-train
you could cross-train
he could cross-train
we could cross-train
you could cross-train
they could cross-train 	I could be cross-training
you could be cross-training
he could be cross-training
we could be cross-training
you could be cross-training
they could be cross-training	I could have cross-trained
you could have cross-trained
he could have cross-trained
we could have cross-trained
you could have cross-trained
they could have cross-trained	I could have been cross-training
you could have been cross-training
he could have been cross-training
we could have been cross-training
you could have been cross-training
they could have been cross-training	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't cross-train
you couldn't cross-train
he couldn't cross-train
we couldn't cross-train
you couldn't cross-train
they couldn't cross-train 	I couldn't be cross-training
you couldn't be cross-training
he couldn't be cross-training
we couldn't be cross-training
you couldn't be cross-training
they couldn't be cross-training	I couldn't have cross-trained
you couldn't have cross-trained
he couldn't have cross-trained
we couldn't have cross-trained
you couldn't have cross-trained
they couldn't have cross-trained	I couldn't have been cross-training
you couldn't have been cross-training
he couldn't have been cross-training
we couldn't have been cross-training
you couldn't have been cross-training
they couldn't have been cross-training	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I cross-train?
could you cross-train?
could he cross-train?
could we cross-train?
could you cross-train?
could they cross-train? 	could I be cross-training?
could you be cross-training?
could he be cross-training?
could we be cross-training?
could you be cross-training?
could they be cross-training? 	could I have cross-trained?
could you have cross-trained?
could he have cross-trained?
could we have cross-trained?
could you have cross-trained?
could they have cross-trained? 	could I have been cross-training?
could you have been cross-training?
could he have been cross-training?
could we have been cross-training?
could you have been cross-training?
could they have been cross-training? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I cross-train?
couldn't you cross-train?
couldn't he cross-train?
couldn't we cross-train?
couldn't you cross-train?
couldn't they cross-train? 	couldn't I be cross-training?
couldn't you be cross-training?
couldn't he be cross-training?
couldn't we be cross-training?
couldn't you be cross-training?
couldn't they be cross-training? 	couldn't I have cross-trained?
couldn't you have cross-trained?
couldn't he have cross-trained?
couldn't we have cross-trained?
couldn't you have cross-trained?
couldn't they have cross-trained? 	couldn't I have been cross-training?
couldn't you have been cross-training?
couldn't he have been cross-training?
couldn't we have been cross-training?
couldn't you have been cross-training?
couldn't they have been cross-training?