English verb conjugation
COULD TENTER

Regular verb: tenter - tentered - tentered

Affirmation

Simple form	V-ing form
I could tenter you could tenter she could tenter we could tenter you could tenter they could tenter	I could be tentering you could be tentering she could be tentering we could be tentering you could be tentering they could be tentering
Perfect	V-ing perfect
I could have tentered you could have tentered she could have tentered we could have tentered you could have tentered they could have tentered	I could have been tentering you could have been tentering she could have been tentering we could have been tentering you could have been tentering they could have been tentering

Negation

Simple form	V-ing form
I could not tenter you could not tenter she could not tenter we could not tenter you could not tenter they could not tenter	I could not be tentering you could not be tentering she could not be tentering we could not be tentering you could not be tentering they could not be tentering
Perfect	V-ing perfect
I could not have tentered you could not have tentered she could not have tentered we could not have tentered you could not have tentered they could not have tentered	I could not have been tentering you could not have been tentering she could not have been tentering we could not have been tentering you could not have been tentering they could not have been tentering

Interrogative form

Simple form	V-ing form
could I tenter? could you tenter? could she tenter? could we tenter? could you tenter? could they tenter?	could I be tentering? could you be tentering? could she be tentering? could we be tentering? could you be tentering? could they be tentering?
Perfect	V-ing perfect
could I have tentered? could you have tentered? could she have tentered? could we have tentered? could you have tentered? could they have tentered?	could I have been tentering? could you have been tentering? could she have been tentering? could we have been tentering? could you have been tentering? could they have been tentering?

Interro-negative form

Simple form	V-ing form
could I not tenter? could you not tenter? could she not tenter? could we not tenter? could you not tenter? could they not tenter?	could I not be tentering? could you not be tentering? could she not be tentering? could we not be tentering? could you not be tentering? could they not be tentering?
Perfect	V-ing perfect
could I not have tentered? could you not have tentered? could she not have tentered? could we not have tentered? could you not have tentered? could they not have tentered?	could I not have been tentering? could you not have been tentering? could she not have been tentering? could we not have been tentering? could you not have been tentering? could they not have been tentering?