could engender
Regular verb: engender - engendered- engendered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could engender
you could engender
she could engender
we could engender
you could engender
they could engender 	I could be engendering
you could be engendering
she could be engendering
we could be engendering
you could be engendering
they could be engendering	I could have engendered
you could have engendered
she could have engendered
we could have engendered
you could have engendered
they could have engendered	I could have been engendering
you could have been engendering
she could have been engendering
we could have been engendering
you could have been engendering
they could have been engendering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't engender
you couldn't engender
she couldn't engender
we couldn't engender
you couldn't engender
they couldn't engender 	I couldn't be engendering
you couldn't be engendering
she couldn't be engendering
we couldn't be engendering
you couldn't be engendering
they couldn't be engendering	I couldn't have engendered
you couldn't have engendered
she couldn't have engendered
we couldn't have engendered
you couldn't have engendered
they couldn't have engendered	I couldn't have been engendering
you couldn't have been engendering
she couldn't have been engendering
we couldn't have been engendering
you couldn't have been engendering
they couldn't have been engendering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I engender?
could you engender?
could she engender?
could we engender?
could you engender?
could they engender? 	could I be engendering?
could you be engendering?
could she be engendering?
could we be engendering?
could you be engendering?
could they be engendering? 	could I have engendered?
could you have engendered?
could she have engendered?
could we have engendered?
could you have engendered?
could they have engendered? 	could I have been engendering?
could you have been engendering?
could she have been engendering?
could we have been engendering?
could you have been engendering?
could they have been engendering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I engender?
couldn't you engender?
couldn't she engender?
couldn't we engender?
couldn't you engender?
couldn't they engender? 	couldn't I be engendering?
couldn't you be engendering?
couldn't she be engendering?
couldn't we be engendering?
couldn't you be engendering?
couldn't they be engendering? 	couldn't I have engendered?
couldn't you have engendered?
couldn't she have engendered?
couldn't we have engendered?
couldn't you have engendered?
couldn't they have engendered? 	couldn't I have been engendering?
couldn't you have been engendering?
couldn't she have been engendering?
couldn't we have been engendering?
couldn't you have been engendering?
couldn't they have been engendering?