I can spread you can spread she can spread we can spread you can spread they can spread
V-ing form
I can be spreading you can be spreading she can be spreading we can be spreading you can be spreading they can be spreading
Perfect
I can have spread you can have spread she 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 she can have been spreading we can have been spreading you can have been spreading they can have been spreading
Negation
Simple form
I can't spread you can't spread she can't spread we can't spread you can't spread they can't spread
V-ing form
I can't be spreading you can't be spreading she can't be spreading we can't be spreading you can't be spreading they can't be spreading
Perfect
I can't have spread you can't have spread she can't have spread we can't have spread you can't have spread they can't have spread
V-ing perfect
I can't have been spreading you can't have been spreading she can't have been spreading we can't have been spreading you can't have been spreading they can't have been spreading
Interrogative form
Simple form
can I spread? can you spread? can she spread? can we spread? can you spread? can they spread?
V-ing form
can I be spreading? can you be spreading? can she be spreading? can we be spreading? can you be spreading? can they be spreading?
Perfect
can I have spread? can you have spread? can she 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 she have been spreading? can we have been spreading? can you have been spreading? can they have been spreading?
Interro-negative form
Simple form
can't I spread? can't you spread? can't she spread? can't we spread? can't you spread? can't they spread?
V-ing form
can't I be spreading? can't you be spreading? can't she be spreading? can't we be spreading? can't you be spreading? can't they be spreading?
Perfect
can't I have spread? can't you have spread? can't she have spread? can't we have spread? can't you have spread? can't they have spread?
V-ing perfect
can't I have been spreading? can't you have been spreading? can't she have been spreading? can't we have been spreading? can't you have been spreading? can't they have been spreading?