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