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