could hybridize
Verbe régulier : hybridize - hybridized- hybridized

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could hybridize
you could hybridize
she could hybridize
we could hybridize
you could hybridize
they could hybridize 	I could be hybridizing
you could be hybridizing
she could be hybridizing
we could be hybridizing
you could be hybridizing
they could be hybridizing	I could have hybridized
you could have hybridized
she could have hybridized
we could have hybridized
you could have hybridized
they could have hybridized	I could have been hybridizing
you could have been hybridizing
she could have been hybridizing
we could have been hybridizing
you could have been hybridizing
they could have been hybridizing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't hybridize
you couldn't hybridize
she couldn't hybridize
we couldn't hybridize
you couldn't hybridize
they couldn't hybridize 	I couldn't be hybridizing
you couldn't be hybridizing
she couldn't be hybridizing
we couldn't be hybridizing
you couldn't be hybridizing
they couldn't be hybridizing	I couldn't have hybridized
you couldn't have hybridized
she couldn't have hybridized
we couldn't have hybridized
you couldn't have hybridized
they couldn't have hybridized	I couldn't have been hybridizing
you couldn't have been hybridizing
she couldn't have been hybridizing
we couldn't have been hybridizing
you couldn't have been hybridizing
they couldn't have been hybridizing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I hybridize?
could you hybridize?
could she hybridize?
could we hybridize?
could you hybridize?
could they hybridize? 	could I be hybridizing?
could you be hybridizing?
could she be hybridizing?
could we be hybridizing?
could you be hybridizing?
could they be hybridizing? 	could I have hybridized?
could you have hybridized?
could she have hybridized?
could we have hybridized?
could you have hybridized?
could they have hybridized? 	could I have been hybridizing?
could you have been hybridizing?
could she have been hybridizing?
could we have been hybridizing?
could you have been hybridizing?
could they have been hybridizing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I hybridize?
couldn't you hybridize?
couldn't she hybridize?
couldn't we hybridize?
couldn't you hybridize?
couldn't they hybridize? 	couldn't I be hybridizing?
couldn't you be hybridizing?
couldn't she be hybridizing?
couldn't we be hybridizing?
couldn't you be hybridizing?
couldn't they be hybridizing? 	couldn't I have hybridized?
couldn't you have hybridized?
couldn't she have hybridized?
couldn't we have hybridized?
couldn't you have hybridized?
couldn't they have hybridized? 	couldn't I have been hybridizing?
couldn't you have been hybridizing?
couldn't she have been hybridizing?
couldn't we have been hybridizing?
couldn't you have been hybridizing?
couldn't they have been hybridizing?