I could ammonify you could ammonify she could ammonify we could ammonify you could ammonify they could ammonify
V-ing form
I could be ammonifying you could be ammonifying she could be ammonifying we could be ammonifying you could be ammonifying they could be ammonifying
Perfect
I could have ammonified you could have ammonified she could have ammonified we could have ammonified you could have ammonified they could have ammonified
V-ing perfect
I could have been ammonifying you could have been ammonifying she could have been ammonifying we could have been ammonifying you could have been ammonifying they could have been ammonifying
Negation
Simple form
I could not ammonify you could not ammonify she could not ammonify we could not ammonify you could not ammonify they could not ammonify
V-ing form
I could not be ammonifying you could not be ammonifying she could not be ammonifying we could not be ammonifying you could not be ammonifying they could not be ammonifying
Perfect
I could not have ammonified you could not have ammonified she could not have ammonified we could not have ammonified you could not have ammonified they could not have ammonified
V-ing perfect
I could not have been ammonifying you could not have been ammonifying she could not have been ammonifying we could not have been ammonifying you could not have been ammonifying they could not have been ammonifying
Interrogative form
Simple form
could I ammonify? could you ammonify? could she ammonify? could we ammonify? could you ammonify? could they ammonify?
V-ing form
could I be ammonifying? could you be ammonifying? could she be ammonifying? could we be ammonifying? could you be ammonifying? could they be ammonifying?
Perfect
could I have ammonified? could you have ammonified? could she have ammonified? could we have ammonified? could you have ammonified? could they have ammonified?
V-ing perfect
could I have been ammonifying? could you have been ammonifying? could she have been ammonifying? could we have been ammonifying? could you have been ammonifying? could they have been ammonifying?
Interro-negative form
Simple form
could I not ammonify? could you not ammonify? could she not ammonify? could we not ammonify? could you not ammonify? could they not ammonify?
V-ing form
could I not be ammonifying? could you not be ammonifying? could she not be ammonifying? could we not be ammonifying? could you not be ammonifying? could they not be ammonifying?
Perfect
could I not have ammonified? could you not have ammonified? could she not have ammonified? could we not have ammonified? could you not have ammonified? could they not have ammonified?
V-ing perfect
could I not have been ammonifying? could you not have been ammonifying? could she not have been ammonifying? could we not have been ammonifying? could you not have been ammonifying? could they not have been ammonifying?