I could accession you could accession she could accession we could accession you could accession they could accession
V-ing form
I could be accessioning you could be accessioning she could be accessioning we could be accessioning you could be accessioning they could be accessioning
Perfect
I could have accessioned you could have accessioned she could have accessioned we could have accessioned you could have accessioned they could have accessioned
V-ing perfect
I could have been accessioning you could have been accessioning she could have been accessioning we could have been accessioning you could have been accessioning they could have been accessioning
Negation
Simple form
I couldn't accession you couldn't accession she couldn't accession we couldn't accession you couldn't accession they couldn't accession
V-ing form
I couldn't be accessioning you couldn't be accessioning she couldn't be accessioning we couldn't be accessioning you couldn't be accessioning they couldn't be accessioning
Perfect
I couldn't have accessioned you couldn't have accessioned she couldn't have accessioned we couldn't have accessioned you couldn't have accessioned they couldn't have accessioned
V-ing perfect
I couldn't have been accessioning you couldn't have been accessioning she couldn't have been accessioning we couldn't have been accessioning you couldn't have been accessioning they couldn't have been accessioning
Interrogative form
Simple form
could I accession? could you accession? could she accession? could we accession? could you accession? could they accession?
V-ing form
could I be accessioning? could you be accessioning? could she be accessioning? could we be accessioning? could you be accessioning? could they be accessioning?
Perfect
could I have accessioned? could you have accessioned? could she have accessioned? could we have accessioned? could you have accessioned? could they have accessioned?
V-ing perfect
could I have been accessioning? could you have been accessioning? could she have been accessioning? could we have been accessioning? could you have been accessioning? could they have been accessioning?
Interro-negative form
Simple form
couldn't I accession? couldn't you accession? couldn't she accession? couldn't we accession? couldn't you accession? couldn't they accession?
V-ing form
couldn't I be accessioning? couldn't you be accessioning? couldn't she be accessioning? couldn't we be accessioning? couldn't you be accessioning? couldn't they be accessioning?
Perfect
couldn't I have accessioned? couldn't you have accessioned? couldn't she have accessioned? couldn't we have accessioned? couldn't you have accessioned? couldn't they have accessioned?
V-ing perfect
couldn't I have been accessioning? couldn't you have been accessioning? couldn't she have been accessioning? couldn't we have been accessioning? couldn't you have been accessioning? couldn't they have been accessioning?