English verb conjugation
CAN REMARK

Regular verb: remark - remarked - remarked

Affirmation

Simple form	V-ing form
I can remark you can remark he can remark we can remark you can remark they can remark	I can be remarking you can be remarking he can be remarking we can be remarking you can be remarking they can be remarking
Perfect	V-ing perfect
I can have remarked you can have remarked he can have remarked we can have remarked you can have remarked they can have remarked	I can have been remarking you can have been remarking he can have been remarking we can have been remarking you can have been remarking they can have been remarking

Negation

Simple form	V-ing form
I can't remark you can't remark he can't remark we can't remark you can't remark they can't remark	I can't be remarking you can't be remarking he can't be remarking we can't be remarking you can't be remarking they can't be remarking
Perfect	V-ing perfect
I can't have remarked you can't have remarked he can't have remarked we can't have remarked you can't have remarked they can't have remarked	I can't have been remarking you can't have been remarking he 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	V-ing form
can I remark? can you remark? can he remark? can we remark? can you remark? can they remark?	can I be remarking? can you be remarking? can he be remarking? can we be remarking? can you be remarking? can they be remarking?
Perfect	V-ing perfect
can I have remarked? can you have remarked? can he have remarked? can we have remarked? can you have remarked? can they have remarked?	can I have been remarking? can you have been remarking? can he have been remarking? can we have been remarking? can you have been remarking? can they have been remarking?

Interro-negative form

Simple form	V-ing form
can't I remark? can't you remark? can't he remark? can't we remark? can't you remark? can't they remark?	can't I be remarking? can't you be remarking? can't he be remarking? can't we be remarking? can't you be remarking? can't they be remarking?
Perfect	V-ing perfect
can't I have remarked? can't you have remarked? can't he have remarked? can't we have remarked? can't you have remarked? can't they have remarked?	can't I have been remarking? can't you have been remarking? can't he have been remarking? can't we have been remarking? can't you have been remarking? can't they have been remarking?