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