I can remember you can remember he can remember we can remember you can remember they can remember
V-ing form
I can be remembering you can be remembering he can be remembering we can be remembering you can be remembering they can be remembering
Perfect
I can have remembered you can have remembered he can have remembered we can have remembered you can have remembered they can have remembered
V-ing perfect
I can have been remembering you can have been remembering he can have been remembering we can have been remembering you can have been remembering they can have been remembering
Negation
Simple form
I can't remember you can't remember he can't remember we can't remember you can't remember they can't remember
V-ing form
I can't be remembering you can't be remembering he can't be remembering we can't be remembering you can't be remembering they can't be remembering
Perfect
I can't have remembered you can't have remembered he can't have remembered we can't have remembered you can't have remembered they can't have remembered
V-ing perfect
I can't have been remembering you can't have been remembering he can't have been remembering we can't have been remembering you can't have been remembering they can't have been remembering
Interrogative form
Simple form
can I remember? can you remember? can he remember? can we remember? can you remember? can they remember?
V-ing form
can I be remembering? can you be remembering? can he be remembering? can we be remembering? can you be remembering? can they be remembering?
Perfect
can I have remembered? can you have remembered? can he have remembered? can we have remembered? can you have remembered? can they have remembered?
V-ing perfect
can I have been remembering? can you have been remembering? can he have been remembering? can we have been remembering? can you have been remembering? can they have been remembering?
Interro-negative form
Simple form
can't I remember? can't you remember? can't he remember? can't we remember? can't you remember? can't they remember?
V-ing form
can't I be remembering? can't you be remembering? can't he be remembering? can't we be remembering? can't you be remembering? can't they be remembering?
Perfect
can't I have remembered? can't you have remembered? can't he have remembered? can't we have remembered? can't you have remembered? can't they have remembered?
V-ing perfect
can't I have been remembering? can't you have been remembering? can't he have been remembering? can't we have been remembering? can't you have been remembering? can't they have been remembering?