I could coerce you could coerce he could coerce we could coerce you could coerce they could coerce
V-ing form
I could be coercing you could be coercing he could be coercing we could be coercing you could be coercing they could be coercing
Perfect
I could have coerced you could have coerced he could have coerced we could have coerced you could have coerced they could have coerced
V-ing perfect
I could have been coercing you could have been coercing he could have been coercing we could have been coercing you could have been coercing they could have been coercing
Negation
Simple form
I couldn't coerce you couldn't coerce he couldn't coerce we couldn't coerce you couldn't coerce they couldn't coerce
V-ing form
I couldn't be coercing you couldn't be coercing he couldn't be coercing we couldn't be coercing you couldn't be coercing they couldn't be coercing
Perfect
I couldn't have coerced you couldn't have coerced he couldn't have coerced we couldn't have coerced you couldn't have coerced they couldn't have coerced
V-ing perfect
I couldn't have been coercing you couldn't have been coercing he couldn't have been coercing we couldn't have been coercing you couldn't have been coercing they couldn't have been coercing
Interrogative form
Simple form
could I coerce? could you coerce? could he coerce? could we coerce? could you coerce? could they coerce?
V-ing form
could I be coercing? could you be coercing? could he be coercing? could we be coercing? could you be coercing? could they be coercing?
Perfect
could I have coerced? could you have coerced? could he have coerced? could we have coerced? could you have coerced? could they have coerced?
V-ing perfect
could I have been coercing? could you have been coercing? could he have been coercing? could we have been coercing? could you have been coercing? could they have been coercing?
Interro-negative form
Simple form
couldn't I coerce? couldn't you coerce? couldn't he coerce? couldn't we coerce? couldn't you coerce? couldn't they coerce?
V-ing form
couldn't I be coercing? couldn't you be coercing? couldn't he be coercing? couldn't we be coercing? couldn't you be coercing? couldn't they be coercing?
Perfect
couldn't I have coerced? couldn't you have coerced? couldn't he have coerced? couldn't we have coerced? couldn't you have coerced? couldn't they have coerced?
V-ing perfect
couldn't I have been coercing? couldn't you have been coercing? couldn't he have been coercing? couldn't we have been coercing? couldn't you have been coercing? couldn't they have been coercing?