I can remark you can remark she can remark we can remark you can remark they can remark
V-ing form
I can be remarking you can be remarking she can be remarking we can be remarking you can be remarking they can be remarking
Perfect
I can have remarked you can have remarked she can have remarked we can have remarked you can have remarked they can have remarked
V-ing perfect
I can have been remarking you can have been remarking she can have been remarking we can have been remarking you can have been remarking they can have been remarking
Negation
Simple form
I can't remark you can't remark she can't remark we can't remark you can't remark they can't remark
V-ing form
I can't be remarking you can't be remarking she can't be remarking we can't be remarking you can't be remarking they can't be remarking
Perfect
I can't have remarked you can't have remarked she can't have remarked we can't have remarked you can't have remarked they can't have remarked
V-ing perfect
I can't have been remarking you can't have been remarking she can't have been remarking we can't have been remarking you can't have been remarking they can't have been remarking
Interrogative form
Simple form
can I remark? can you remark? can she remark? can we remark? can you remark? can they remark?
V-ing form
can I be remarking? can you be remarking? can she be remarking? can we be remarking? can you be remarking? can they be remarking?
Perfect
can I have remarked? can you have remarked? can she have remarked? can we have remarked? can you have remarked? can they have remarked?
V-ing perfect
can I have been remarking? can you have been remarking? can she have been remarking? can we have been remarking? can you have been remarking? can they have been remarking?
Interro-negative form
Simple form
can't I remark? can't you remark? can't she remark? can't we remark? can't you remark? can't they remark?
V-ing form
can't I be remarking? can't you be remarking? can't she be remarking? can't we be remarking? can't you be remarking? can't they be remarking?
Perfect
can't I have remarked? can't you have remarked? can't she have remarked? can't we have remarked? can't you have remarked? can't they have remarked?
V-ing perfect
can't I have been remarking? can't you have been remarking? can't she have been remarking? can't we have been remarking? can't you have been remarking? can't they have been remarking?