could germinate
Regular verb: germinate - germinated- germinated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could germinate
you could germinate
he could germinate
we could germinate
you could germinate
they could germinate 	I could be germinating
you could be germinating
he could be germinating
we could be germinating
you could be germinating
they could be germinating	I could have germinated
you could have germinated
he could have germinated
we could have germinated
you could have germinated
they could have germinated	I could have been germinating
you could have been germinating
he could have been germinating
we could have been germinating
you could have been germinating
they could have been germinating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't germinate
you couldn't germinate
he couldn't germinate
we couldn't germinate
you couldn't germinate
they couldn't germinate 	I couldn't be germinating
you couldn't be germinating
he couldn't be germinating
we couldn't be germinating
you couldn't be germinating
they couldn't be germinating	I couldn't have germinated
you couldn't have germinated
he couldn't have germinated
we couldn't have germinated
you couldn't have germinated
they couldn't have germinated	I couldn't have been germinating
you couldn't have been germinating
he couldn't have been germinating
we couldn't have been germinating
you couldn't have been germinating
they couldn't have been germinating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I germinate?
could you germinate?
could he germinate?
could we germinate?
could you germinate?
could they germinate? 	could I be germinating?
could you be germinating?
could he be germinating?
could we be germinating?
could you be germinating?
could they be germinating? 	could I have germinated?
could you have germinated?
could he have germinated?
could we have germinated?
could you have germinated?
could they have germinated? 	could I have been germinating?
could you have been germinating?
could he have been germinating?
could we have been germinating?
could you have been germinating?
could they have been germinating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I germinate?
couldn't you germinate?
couldn't he germinate?
couldn't we germinate?
couldn't you germinate?
couldn't they germinate? 	couldn't I be germinating?
couldn't you be germinating?
couldn't he be germinating?
couldn't we be germinating?
couldn't you be germinating?
couldn't they be germinating? 	couldn't I have germinated?
couldn't you have germinated?
couldn't he have germinated?
couldn't we have germinated?
couldn't you have germinated?
couldn't they have germinated? 	couldn't I have been germinating?
couldn't you have been germinating?
couldn't he have been germinating?
couldn't we have been germinating?
couldn't you have been germinating?
couldn't they have been germinating?