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