I can daydream you can daydream he can daydream we can daydream you can daydream they can daydream
V-ing form
I can be daydreaming you can be daydreaming he can be daydreaming we can be daydreaming you can be daydreaming they can be daydreaming
Perfect
I can have daydreamed you can have daydreamed he can have daydreamed we can have daydreamed you can have daydreamed they can have daydreamed
V-ing perfect
I can have been daydreaming you can have been daydreaming he can have been daydreaming we can have been daydreaming you can have been daydreaming they can have been daydreaming
Negation
Simple form
I cannot daydream you cannot daydream he cannot daydream we cannot daydream you cannot daydream they cannot daydream
V-ing form
I cannot be daydreaming you cannot be daydreaming he cannot be daydreaming we cannot be daydreaming you cannot be daydreaming they cannot be daydreaming
Perfect
I cannot have daydreamed you cannot have daydreamed he cannot have daydreamed we cannot have daydreamed you cannot have daydreamed they cannot have daydreamed
V-ing perfect
I cannot have been daydreaming you cannot have been daydreaming he cannot have been daydreaming we cannot have been daydreaming you cannot have been daydreaming they cannot have been daydreaming
Interrogative form
Simple form
can I daydream? can you daydream? can he daydream? can we daydream? can you daydream? can they daydream?
V-ing form
can I be daydreaming? can you be daydreaming? can he be daydreaming? can we be daydreaming? can you be daydreaming? can they be daydreaming?
Perfect
can I have daydreamed? can you have daydreamed? can he have daydreamed? can we have daydreamed? can you have daydreamed? can they have daydreamed?
V-ing perfect
can I have been daydreaming? can you have been daydreaming? can he have been daydreaming? can we have been daydreaming? can you have been daydreaming? can they have been daydreaming?
Interro-negative form
Simple form
can I not daydream? can you not daydream? can he not daydream? can we not daydream? can you not daydream? can they not daydream?
V-ing form
can I not be daydreaming? can you not be daydreaming? can he not be daydreaming? can we not be daydreaming? can you not be daydreaming? can they not be daydreaming?
Perfect
can I not have daydreamed? can you not have daydreamed? can he not have daydreamed? can we not have daydreamed? can you not have daydreamed? can they not have daydreamed?
V-ing perfect
can I not have been daydreaming? can you not have been daydreaming? can he not have been daydreaming? can we not have been daydreaming? can you not have been daydreaming? can they not have been daydreaming?