English verb conjugation
COULD CLOISTER

Regular verb: cloister - cloistered - cloistered

Affirmation

Simple form	V-ing form
I could cloister you could cloister he could cloister we could cloister you could cloister they could cloister	I could be cloistering you could be cloistering he could be cloistering we could be cloistering you could be cloistering they could be cloistering
Perfect	V-ing perfect
I could have cloistered you could have cloistered he could have cloistered we could have cloistered you could have cloistered they could have cloistered	I could have been cloistering you could have been cloistering he could have been cloistering we could have been cloistering you could have been cloistering they could have been cloistering

Negation

Simple form	V-ing form
I couldn't cloister you couldn't cloister he couldn't cloister we couldn't cloister you couldn't cloister they couldn't cloister	I couldn't be cloistering you couldn't be cloistering he couldn't be cloistering we couldn't be cloistering you couldn't be cloistering they couldn't be cloistering
Perfect	V-ing perfect
I couldn't have cloistered you couldn't have cloistered he couldn't have cloistered we couldn't have cloistered you couldn't have cloistered they couldn't have cloistered	I couldn't have been cloistering you couldn't have been cloistering he couldn't have been cloistering we couldn't have been cloistering you couldn't have been cloistering they couldn't have been cloistering

Interrogative form

Simple form	V-ing form
could I cloister? could you cloister? could he cloister? could we cloister? could you cloister? could they cloister?	could I be cloistering? could you be cloistering? could he be cloistering? could we be cloistering? could you be cloistering? could they be cloistering?
Perfect	V-ing perfect
could I have cloistered? could you have cloistered? could he have cloistered? could we have cloistered? could you have cloistered? could they have cloistered?	could I have been cloistering? could you have been cloistering? could he have been cloistering? could we have been cloistering? could you have been cloistering? could they have been cloistering?

Interro-negative form

Simple form	V-ing form
couldn't I cloister? couldn't you cloister? couldn't he cloister? couldn't we cloister? couldn't you cloister? couldn't they cloister?	couldn't I be cloistering? couldn't you be cloistering? couldn't he be cloistering? couldn't we be cloistering? couldn't you be cloistering? couldn't they be cloistering?
Perfect	V-ing perfect
couldn't I have cloistered? couldn't you have cloistered? couldn't he have cloistered? couldn't we have cloistered? couldn't you have cloistered? couldn't they have cloistered?	couldn't I have been cloistering? couldn't you have been cloistering? couldn't he have been cloistering? couldn't we have been cloistering? couldn't you have been cloistering? couldn't they have been cloistering?