I could enrich you could enrich he could enrich we could enrich you could enrich they could enrich
V-ing form
I could be enriching you could be enriching he could be enriching we could be enriching you could be enriching they could be enriching
Perfect
I could have enriched you could have enriched he could have enriched we could have enriched you could have enriched they could have enriched
V-ing perfect
I could have been enriching you could have been enriching he could have been enriching we could have been enriching you could have been enriching they could have been enriching
Negation
Simple form
I could not enrich you could not enrich he could not enrich we could not enrich you could not enrich they could not enrich
V-ing form
I could not be enriching you could not be enriching he could not be enriching we could not be enriching you could not be enriching they could not be enriching
Perfect
I could not have enriched you could not have enriched he could not have enriched we could not have enriched you could not have enriched they could not have enriched
V-ing perfect
I could not have been enriching you could not have been enriching he could not have been enriching we could not have been enriching you could not have been enriching they could not have been enriching
Interrogative form
Simple form
could I enrich? could you enrich? could he enrich? could we enrich? could you enrich? could they enrich?
V-ing form
could I be enriching? could you be enriching? could he be enriching? could we be enriching? could you be enriching? could they be enriching?
Perfect
could I have enriched? could you have enriched? could he have enriched? could we have enriched? could you have enriched? could they have enriched?
V-ing perfect
could I have been enriching? could you have been enriching? could he have been enriching? could we have been enriching? could you have been enriching? could they have been enriching?
Interro-negative form
Simple form
could I not enrich? could you not enrich? could he not enrich? could we not enrich? could you not enrich? could they not enrich?
V-ing form
could I not be enriching? could you not be enriching? could he not be enriching? could we not be enriching? could you not be enriching? could they not be enriching?
Perfect
could I not have enriched? could you not have enriched? could he not have enriched? could we not have enriched? could you not have enriched? could they not have enriched?
V-ing perfect
could I not have been enriching? could you not have been enriching? could he not have been enriching? could we not have been enriching? could you not have been enriching? could they not have been enriching?