English verb conjugation
COULD NET

Regular verb: net - netted - netted

Affirmation

Simple form	V-ing form
I could net you could net he could net we could net you could net they could net	I could be netting you could be netting he could be netting we could be netting you could be netting they could be netting
Perfect	V-ing perfect
I could have netted you could have netted he could have netted we could have netted you could have netted they could have netted	I could have been netting you could have been netting he could have been netting we could have been netting you could have been netting they could have been netting

Negation

Simple form	V-ing form
I could not net you could not net he could not net we could not net you could not net they could not net	I could not be netting you could not be netting he could not be netting we could not be netting you could not be netting they could not be netting
Perfect	V-ing perfect
I could not have netted you could not have netted he could not have netted we could not have netted you could not have netted they could not have netted	I could not have been netting you could not have been netting he could not have been netting we could not have been netting you could not have been netting they could not have been netting

Interrogative form

Simple form	V-ing form
could I net? could you net? could he net? could we net? could you net? could they net?	could I be netting? could you be netting? could he be netting? could we be netting? could you be netting? could they be netting?
Perfect	V-ing perfect
could I have netted? could you have netted? could he have netted? could we have netted? could you have netted? could they have netted?	could I have been netting? could you have been netting? could he have been netting? could we have been netting? could you have been netting? could they have been netting?

Interro-negative form

Simple form	V-ing form
could I not net? could you not net? could he not net? could we not net? could you not net? could they not net?	could I not be netting? could you not be netting? could he not be netting? could we not be netting? could you not be netting? could they not be netting?
Perfect	V-ing perfect
could I not have netted? could you not have netted? could he not have netted? could we not have netted? could you not have netted? could they not have netted?	could I not have been netting? could you not have been netting? could he not have been netting? could we not have been netting? could you not have been netting? could they not have been netting?