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