I can dream you can dream he can dream we can dream you can dream they can dream
V-ing form
I can be dreaming you can be dreaming he can be dreaming we can be dreaming you can be dreaming they can be dreaming
Perfect
I can have dreamed, dreamt you can have dreamed, dreamt he can have dreamed, dreamt we can have dreamed, dreamt you can have dreamed, dreamt they can have dreamed, dreamt
V-ing perfect
I can have been dreaming you can have been dreaming he can have been dreaming we can have been dreaming you can have been dreaming they can have been dreaming
Negation
Simple form
I can't dream you can't dream he can't dream we can't dream you can't dream they can't dream
V-ing form
I can't be dreaming you can't be dreaming he can't be dreaming we can't be dreaming you can't be dreaming they can't be dreaming
Perfect
I can't have dreamed, dreamt you can't have dreamed, dreamt he can't have dreamed, dreamt we can't have dreamed, dreamt you can't have dreamed, dreamt they can't have dreamed, dreamt
V-ing perfect
I can't have been dreaming you can't have been dreaming he can't have been dreaming we can't have been dreaming you can't have been dreaming they can't have been dreaming
Interrogative form
Simple form
can I dream? can you dream? can he dream? can we dream? can you dream? can they dream?
V-ing form
can I be dreaming? can you be dreaming? can he be dreaming? can we be dreaming? can you be dreaming? can they be dreaming?
Perfect
can I have dreamed, dreamt? can you have dreamed, dreamt? can he have dreamed, dreamt? can we have dreamed, dreamt? can you have dreamed, dreamt? can they have dreamed, dreamt?
V-ing perfect
can I have been dreaming? can you have been dreaming? can he have been dreaming? can we have been dreaming? can you have been dreaming? can they have been dreaming?
Interro-negative form
Simple form
can't I dream? can't you dream? can't he dream? can't we dream? can't you dream? can't they dream?
V-ing form
can't I be dreaming? can't you be dreaming? can't he be dreaming? can't we be dreaming? can't you be dreaming? can't they be dreaming?
Perfect
can't I have dreamed, dreamt? can't you have dreamed, dreamt? can't he have dreamed, dreamt? can't we have dreamed, dreamt? can't you have dreamed, dreamt? can't they have dreamed, dreamt?
V-ing perfect
can't I have been dreaming? can't you have been dreaming? can't he have been dreaming? can't we have been dreaming? can't you have been dreaming? can't they have been dreaming?