I could effloresce you could effloresce she could effloresce we could effloresce you could effloresce they could effloresce
V-ing form
I could be efflorescing you could be efflorescing she could be efflorescing we could be efflorescing you could be efflorescing they could be efflorescing
Perfect
I could have effloresced you could have effloresced she could have effloresced we could have effloresced you could have effloresced they could have effloresced
V-ing perfect
I could have been efflorescing you could have been efflorescing she could have been efflorescing we could have been efflorescing you could have been efflorescing they could have been efflorescing
Negation
Simple form
I could not effloresce you could not effloresce she could not effloresce we could not effloresce you could not effloresce they could not effloresce
V-ing form
I could not be efflorescing you could not be efflorescing she could not be efflorescing we could not be efflorescing you could not be efflorescing they could not be efflorescing
Perfect
I could not have effloresced you could not have effloresced she could not have effloresced we could not have effloresced you could not have effloresced they could not have effloresced
V-ing perfect
I could not have been efflorescing you could not have been efflorescing she could not have been efflorescing we could not have been efflorescing you could not have been efflorescing they could not have been efflorescing
Interrogative form
Simple form
could I effloresce? could you effloresce? could she effloresce? could we effloresce? could you effloresce? could they effloresce?
V-ing form
could I be efflorescing? could you be efflorescing? could she be efflorescing? could we be efflorescing? could you be efflorescing? could they be efflorescing?
Perfect
could I have effloresced? could you have effloresced? could she have effloresced? could we have effloresced? could you have effloresced? could they have effloresced?
V-ing perfect
could I have been efflorescing? could you have been efflorescing? could she have been efflorescing? could we have been efflorescing? could you have been efflorescing? could they have been efflorescing?
Interro-negative form
Simple form
could I not effloresce? could you not effloresce? could she not effloresce? could we not effloresce? could you not effloresce? could they not effloresce?
V-ing form
could I not be efflorescing? could you not be efflorescing? could she not be efflorescing? could we not be efflorescing? could you not be efflorescing? could they not be efflorescing?
Perfect
could I not have effloresced? could you not have effloresced? could she not have effloresced? could we not have effloresced? could you not have effloresced? could they not have effloresced?
V-ing perfect
could I not have been efflorescing? could you not have been efflorescing? could she not have been efflorescing? could we not have been efflorescing? could you not have been efflorescing? could they not have been efflorescing?