English verb conjugation
COULD ESCAPE

Regular verb: escape - escaped - escaped

Affirmation

Simple form	V-ing form
I could escape you could escape he could escape we could escape you could escape they could escape	I could be escaping you could be escaping he could be escaping we could be escaping you could be escaping they could be escaping
Perfect	V-ing perfect
I could have escaped you could have escaped he could have escaped we could have escaped you could have escaped they could have escaped	I could have been escaping you could have been escaping he could have been escaping we could have been escaping you could have been escaping they could have been escaping

Negation

Simple form	V-ing form
I could not escape you could not escape he could not escape we could not escape you could not escape they could not escape	I could not be escaping you could not be escaping he could not be escaping we could not be escaping you could not be escaping they could not be escaping
Perfect	V-ing perfect
I could not have escaped you could not have escaped he could not have escaped we could not have escaped you could not have escaped they could not have escaped	I could not have been escaping you could not have been escaping he could not have been escaping we could not have been escaping you could not have been escaping they could not have been escaping

Interrogative form

Simple form	V-ing form
could I escape? could you escape? could he escape? could we escape? could you escape? could they escape?	could I be escaping? could you be escaping? could he be escaping? could we be escaping? could you be escaping? could they be escaping?
Perfect	V-ing perfect
could I have escaped? could you have escaped? could he have escaped? could we have escaped? could you have escaped? could they have escaped?	could I have been escaping? could you have been escaping? could he have been escaping? could we have been escaping? could you have been escaping? could they have been escaping?

Interro-negative form

Simple form	V-ing form
could I not escape? could you not escape? could he not escape? could we not escape? could you not escape? could they not escape?	could I not be escaping? could you not be escaping? could he not be escaping? could we not be escaping? could you not be escaping? could they not be escaping?
Perfect	V-ing perfect
could I not have escaped? could you not have escaped? could he not have escaped? could we not have escaped? could you not have escaped? could they not have escaped?	could I not have been escaping? could you not have been escaping? could he not have been escaping? could we not have been escaping? could you not have been escaping? could they not have been escaping?