I could vesiculate you could vesiculate she could vesiculate we could vesiculate you could vesiculate they could vesiculate
V-ing form
I could be vesiculating you could be vesiculating she could be vesiculating we could be vesiculating you could be vesiculating they could be vesiculating
Perfect
I could have vesiculated you could have vesiculated she could have vesiculated we could have vesiculated you could have vesiculated they could have vesiculated
V-ing perfect
I could have been vesiculating you could have been vesiculating she could have been vesiculating we could have been vesiculating you could have been vesiculating they could have been vesiculating
Negation
Simple form
I couldn't vesiculate you couldn't vesiculate she couldn't vesiculate we couldn't vesiculate you couldn't vesiculate they couldn't vesiculate
V-ing form
I couldn't be vesiculating you couldn't be vesiculating she couldn't be vesiculating we couldn't be vesiculating you couldn't be vesiculating they couldn't be vesiculating
Perfect
I couldn't have vesiculated you couldn't have vesiculated she couldn't have vesiculated we couldn't have vesiculated you couldn't have vesiculated they couldn't have vesiculated
V-ing perfect
I couldn't have been vesiculating you couldn't have been vesiculating she couldn't have been vesiculating we couldn't have been vesiculating you couldn't have been vesiculating they couldn't have been vesiculating
Interrogative form
Simple form
could I vesiculate? could you vesiculate? could she vesiculate? could we vesiculate? could you vesiculate? could they vesiculate?
V-ing form
could I be vesiculating? could you be vesiculating? could she be vesiculating? could we be vesiculating? could you be vesiculating? could they be vesiculating?
Perfect
could I have vesiculated? could you have vesiculated? could she have vesiculated? could we have vesiculated? could you have vesiculated? could they have vesiculated?
V-ing perfect
could I have been vesiculating? could you have been vesiculating? could she have been vesiculating? could we have been vesiculating? could you have been vesiculating? could they have been vesiculating?
Interro-negative form
Simple form
couldn't I vesiculate? couldn't you vesiculate? couldn't she vesiculate? couldn't we vesiculate? couldn't you vesiculate? couldn't they vesiculate?
V-ing form
couldn't I be vesiculating? couldn't you be vesiculating? couldn't she be vesiculating? couldn't we be vesiculating? couldn't you be vesiculating? couldn't they be vesiculating?
Perfect
couldn't I have vesiculated? couldn't you have vesiculated? couldn't she have vesiculated? couldn't we have vesiculated? couldn't you have vesiculated? couldn't they have vesiculated?
V-ing perfect
couldn't I have been vesiculating? couldn't you have been vesiculating? couldn't she have been vesiculating? couldn't we have been vesiculating? couldn't you have been vesiculating? couldn't they have been vesiculating?