could cross-fertilise
Verbo regular: cross-fertilise - cross-fertilised- cross-fertilised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could cross-fertilise
you could cross-fertilise
he could cross-fertilise
we could cross-fertilise
you could cross-fertilise
they could cross-fertilise 	I could be cross-fertilising
you could be cross-fertilising
he could be cross-fertilising
we could be cross-fertilising
you could be cross-fertilising
they could be cross-fertilising	I could have cross-fertilised
you could have cross-fertilised
he could have cross-fertilised
we could have cross-fertilised
you could have cross-fertilised
they could have cross-fertilised	I could have been cross-fertilising
you could have been cross-fertilising
he could have been cross-fertilising
we could have been cross-fertilising
you could have been cross-fertilising
they could have been cross-fertilising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not cross-fertilise
you could not cross-fertilise
he could not cross-fertilise
we could not cross-fertilise
you could not cross-fertilise
they could not cross-fertilise 	I could not be cross-fertilising
you could not be cross-fertilising
he could not be cross-fertilising
we could not be cross-fertilising
you could not be cross-fertilising
they could not be cross-fertilising	I could not have cross-fertilised
you could not have cross-fertilised
he could not have cross-fertilised
we could not have cross-fertilised
you could not have cross-fertilised
they could not have cross-fertilised	I could not have been cross-fertilising
you could not have been cross-fertilising
he could not have been cross-fertilising
we could not have been cross-fertilising
you could not have been cross-fertilising
they could not have been cross-fertilising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I cross-fertilise?
could you cross-fertilise?
could he cross-fertilise?
could we cross-fertilise?
could you cross-fertilise?
could they cross-fertilise? 	could I be cross-fertilising?
could you be cross-fertilising?
could he be cross-fertilising?
could we be cross-fertilising?
could you be cross-fertilising?
could they be cross-fertilising? 	could I have cross-fertilised?
could you have cross-fertilised?
could he have cross-fertilised?
could we have cross-fertilised?
could you have cross-fertilised?
could they have cross-fertilised? 	could I have been cross-fertilising?
could you have been cross-fertilising?
could he have been cross-fertilising?
could we have been cross-fertilising?
could you have been cross-fertilising?
could they have been cross-fertilising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not cross-fertilise?
could you not cross-fertilise?
could he not cross-fertilise?
could we not cross-fertilise?
could you not cross-fertilise?
could they not cross-fertilise? 	could I not be cross-fertilising?
could you not be cross-fertilising?
could he not be cross-fertilising?
could we not be cross-fertilising?
could you not be cross-fertilising?
could they not be cross-fertilising? 	could I not have cross-fertilised?
could you not have cross-fertilised?
could he not have cross-fertilised?
could we not have cross-fertilised?
could you not have cross-fertilised?
could they not have cross-fertilised? 	could I not have been cross-fertilising?
could you not have been cross-fertilising?
could he not have been cross-fertilising?
could we not have been cross-fertilising?
could you not have been cross-fertilising?
could they not have been cross-fertilising?