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