English verb conjugation
COULD SENTENCE

Regular verb: sentence - sentenced - sentenced

Affirmation

Simple form	V-ing form
I could sentence you could sentence he could sentence we could sentence you could sentence they could sentence	I could be sentencing you could be sentencing he could be sentencing we could be sentencing you could be sentencing they could be sentencing
Perfect	V-ing perfect
I could have sentenced you could have sentenced he could have sentenced we could have sentenced you could have sentenced they could have sentenced	I could have been sentencing you could have been sentencing he could have been sentencing we could have been sentencing you could have been sentencing they could have been sentencing

Negation

Simple form	V-ing form
I couldn't sentence you couldn't sentence he couldn't sentence we couldn't sentence you couldn't sentence they couldn't sentence	I couldn't be sentencing you couldn't be sentencing he couldn't be sentencing we couldn't be sentencing you couldn't be sentencing they couldn't be sentencing
Perfect	V-ing perfect
I couldn't have sentenced you couldn't have sentenced he couldn't have sentenced we couldn't have sentenced you couldn't have sentenced they couldn't have sentenced	I couldn't have been sentencing you couldn't have been sentencing he couldn't have been sentencing we couldn't have been sentencing you couldn't have been sentencing they couldn't have been sentencing

Interrogative form

Simple form	V-ing form
could I sentence? could you sentence? could he sentence? could we sentence? could you sentence? could they sentence?	could I be sentencing? could you be sentencing? could he be sentencing? could we be sentencing? could you be sentencing? could they be sentencing?
Perfect	V-ing perfect
could I have sentenced? could you have sentenced? could he have sentenced? could we have sentenced? could you have sentenced? could they have sentenced?	could I have been sentencing? could you have been sentencing? could he have been sentencing? could we have been sentencing? could you have been sentencing? could they have been sentencing?

Interro-negative form

Simple form	V-ing form
couldn't I sentence? couldn't you sentence? couldn't he sentence? couldn't we sentence? couldn't you sentence? couldn't they sentence?	couldn't I be sentencing? couldn't you be sentencing? couldn't he be sentencing? couldn't we be sentencing? couldn't you be sentencing? couldn't they be sentencing?
Perfect	V-ing perfect
couldn't I have sentenced? couldn't you have sentenced? couldn't he have sentenced? couldn't we have sentenced? couldn't you have sentenced? couldn't they have sentenced?	couldn't I have been sentencing? couldn't you have been sentencing? couldn't he have been sentencing? couldn't we have been sentencing? couldn't you have been sentencing? couldn't they have been sentencing?