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