I can engender you can engender he can engender we can engender you can engender they can engender
V-ing form
I can be engendering you can be engendering he can be engendering we can be engendering you can be engendering they can be engendering
Perfect
I can have engendered you can have engendered he can have engendered we can have engendered you can have engendered they can have engendered
V-ing perfect
I can have been engendering you can have been engendering he can have been engendering we can have been engendering you can have been engendering they can have been engendering
Negation
Simple form
I cannot engender you cannot engender he cannot engender we cannot engender you cannot engender they cannot engender
V-ing form
I cannot be engendering you cannot be engendering he cannot be engendering we cannot be engendering you cannot be engendering they cannot be engendering
Perfect
I cannot have engendered you cannot have engendered he cannot have engendered we cannot have engendered you cannot have engendered they cannot have engendered
V-ing perfect
I cannot have been engendering you cannot have been engendering he cannot have been engendering we cannot have been engendering you cannot have been engendering they cannot have been engendering
Interrogative form
Simple form
can I engender? can you engender? can he engender? can we engender? can you engender? can they engender?
V-ing form
can I be engendering? can you be engendering? can he be engendering? can we be engendering? can you be engendering? can they be engendering?
Perfect
can I have engendered? can you have engendered? can he have engendered? can we have engendered? can you have engendered? can they have engendered?
V-ing perfect
can I have been engendering? can you have been engendering? can he have been engendering? can we have been engendering? can you have been engendering? can they have been engendering?
Interro-negative form
Simple form
can I not engender? can you not engender? can he not engender? can we not engender? can you not engender? can they not engender?
V-ing form
can I not be engendering? can you not be engendering? can he not be engendering? can we not be engendering? can you not be engendering? can they not be engendering?
Perfect
can I not have engendered? can you not have engendered? can he not have engendered? can we not have engendered? can you not have engendered? can they not have engendered?
V-ing perfect
can I not have been engendering? can you not have been engendering? can he not have been engendering? can we not have been engendering? can you not have been engendering? can they not have been engendering?