I can relieve you can relieve she can relieve we can relieve you can relieve they can relieve
V-ing form
I can be relieving you can be relieving she can be relieving we can be relieving you can be relieving they can be relieving
Perfect
I can have relieved you can have relieved she can have relieved we can have relieved you can have relieved they can have relieved
V-ing perfect
I can have been relieving you can have been relieving she can have been relieving we can have been relieving you can have been relieving they can have been relieving
Negation
Simple form
I can't relieve you can't relieve she can't relieve we can't relieve you can't relieve they can't relieve
V-ing form
I can't be relieving you can't be relieving she can't be relieving we can't be relieving you can't be relieving they can't be relieving
Perfect
I can't have relieved you can't have relieved she can't have relieved we can't have relieved you can't have relieved they can't have relieved
V-ing perfect
I can't have been relieving you can't have been relieving she can't have been relieving we can't have been relieving you can't have been relieving they can't have been relieving
Interrogative form
Simple form
can I relieve? can you relieve? can she relieve? can we relieve? can you relieve? can they relieve?
V-ing form
can I be relieving? can you be relieving? can she be relieving? can we be relieving? can you be relieving? can they be relieving?
Perfect
can I have relieved? can you have relieved? can she have relieved? can we have relieved? can you have relieved? can they have relieved?
V-ing perfect
can I have been relieving? can you have been relieving? can she have been relieving? can we have been relieving? can you have been relieving? can they have been relieving?
Interro-negative form
Simple form
can't I relieve? can't you relieve? can't she relieve? can't we relieve? can't you relieve? can't they relieve?
V-ing form
can't I be relieving? can't you be relieving? can't she be relieving? can't we be relieving? can't you be relieving? can't they be relieving?
Perfect
can't I have relieved? can't you have relieved? can't she have relieved? can't we have relieved? can't you have relieved? can't they have relieved?
V-ing perfect
can't I have been relieving? can't you have been relieving? can't she have been relieving? can't we have been relieving? can't you have been relieving? can't they have been relieving?