I can escape you can escape he can escape we can escape you can escape they can escape
V-ing form
I can be escaping you can be escaping he can be escaping we can be escaping you can be escaping they can be escaping
Perfect
I can have escaped you can have escaped he 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 he 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 he 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 he 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 he 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 he 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 he escape? can we escape? can you escape? can they escape?
V-ing form
can I be escaping? can you be escaping? can he be escaping? can we be escaping? can you be escaping? can they be escaping?
Perfect
can I have escaped? can you have escaped? can he 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 he 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 he 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 he 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 he 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 he have been escaping? can't we have been escaping? can't you have been escaping? can't they have been escaping?