I can plunge you can plunge he can plunge we can plunge you can plunge they can plunge
V-ing form
I can be plunging you can be plunging he can be plunging we can be plunging you can be plunging they can be plunging
Perfect
I can have plunged you can have plunged he can have plunged we can have plunged you can have plunged they can have plunged
V-ing perfect
I can have been plunging you can have been plunging he can have been plunging we can have been plunging you can have been plunging they can have been plunging
Negation
Simple form
I can't plunge you can't plunge he can't plunge we can't plunge you can't plunge they can't plunge
V-ing form
I can't be plunging you can't be plunging he can't be plunging we can't be plunging you can't be plunging they can't be plunging
Perfect
I can't have plunged you can't have plunged he can't have plunged we can't have plunged you can't have plunged they can't have plunged
V-ing perfect
I can't have been plunging you can't have been plunging he can't have been plunging we can't have been plunging you can't have been plunging they can't have been plunging
Interrogative form
Simple form
can I plunge? can you plunge? can he plunge? can we plunge? can you plunge? can they plunge?
V-ing form
can I be plunging? can you be plunging? can he be plunging? can we be plunging? can you be plunging? can they be plunging?
Perfect
can I have plunged? can you have plunged? can he have plunged? can we have plunged? can you have plunged? can they have plunged?
V-ing perfect
can I have been plunging? can you have been plunging? can he have been plunging? can we have been plunging? can you have been plunging? can they have been plunging?
Interro-negative form
Simple form
can't I plunge? can't you plunge? can't he plunge? can't we plunge? can't you plunge? can't they plunge?
V-ing form
can't I be plunging? can't you be plunging? can't he be plunging? can't we be plunging? can't you be plunging? can't they be plunging?
Perfect
can't I have plunged? can't you have plunged? can't he have plunged? can't we have plunged? can't you have plunged? can't they have plunged?
V-ing perfect
can't I have been plunging? can't you have been plunging? can't he have been plunging? can't we have been plunging? can't you have been plunging? can't they have been plunging?