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