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