English verb conjugation
COULD CHLORINATE

Regular verb: chlorinate - chlorinated - chlorinated

Affirmation

Simple form	V-ing form
I could chlorinate you could chlorinate he could chlorinate we could chlorinate you could chlorinate they could chlorinate	I could be chlorinating you could be chlorinating he could be chlorinating we could be chlorinating you could be chlorinating they could be chlorinating
Perfect	V-ing perfect
I could have chlorinated you could have chlorinated he could have chlorinated we could have chlorinated you could have chlorinated they could have chlorinated	I could have been chlorinating you could have been chlorinating he could have been chlorinating we could have been chlorinating you could have been chlorinating they could have been chlorinating

Negation

Simple form	V-ing form
I couldn't chlorinate you couldn't chlorinate he couldn't chlorinate we couldn't chlorinate you couldn't chlorinate they couldn't chlorinate	I couldn't be chlorinating you couldn't be chlorinating he couldn't be chlorinating we couldn't be chlorinating you couldn't be chlorinating they couldn't be chlorinating
Perfect	V-ing perfect
I couldn't have chlorinated you couldn't have chlorinated he couldn't have chlorinated we couldn't have chlorinated you couldn't have chlorinated they couldn't have chlorinated	I couldn't have been chlorinating you couldn't have been chlorinating he couldn't have been chlorinating we couldn't have been chlorinating you couldn't have been chlorinating they couldn't have been chlorinating

Interrogative form

Simple form	V-ing form
could I chlorinate? could you chlorinate? could he chlorinate? could we chlorinate? could you chlorinate? could they chlorinate?	could I be chlorinating? could you be chlorinating? could he be chlorinating? could we be chlorinating? could you be chlorinating? could they be chlorinating?
Perfect	V-ing perfect
could I have chlorinated? could you have chlorinated? could he have chlorinated? could we have chlorinated? could you have chlorinated? could they have chlorinated?	could I have been chlorinating? could you have been chlorinating? could he have been chlorinating? could we have been chlorinating? could you have been chlorinating? could they have been chlorinating?

Interro-negative form

Simple form	V-ing form
couldn't I chlorinate? couldn't you chlorinate? couldn't he chlorinate? couldn't we chlorinate? couldn't you chlorinate? couldn't they chlorinate?	couldn't I be chlorinating? couldn't you be chlorinating? couldn't he be chlorinating? couldn't we be chlorinating? couldn't you be chlorinating? couldn't they be chlorinating?
Perfect	V-ing perfect
couldn't I have chlorinated? couldn't you have chlorinated? couldn't he have chlorinated? couldn't we have chlorinated? couldn't you have chlorinated? couldn't they have chlorinated?	couldn't I have been chlorinating? couldn't you have been chlorinating? couldn't he have been chlorinating? couldn't we have been chlorinating? couldn't you have been chlorinating? couldn't they have been chlorinating?