I could marinade you could marinade he could marinade we could marinade you could marinade they could marinade
V-ing form
I could be marinading you could be marinading he could be marinading we could be marinading you could be marinading they could be marinading
Perfect
I could have marinaded you could have marinaded he could have marinaded we could have marinaded you could have marinaded they could have marinaded
V-ing perfect
I could have been marinading you could have been marinading he could have been marinading we could have been marinading you could have been marinading they could have been marinading
Negation
Simple form
I could not marinade you could not marinade he could not marinade we could not marinade you could not marinade they could not marinade
V-ing form
I could not be marinading you could not be marinading he could not be marinading we could not be marinading you could not be marinading they could not be marinading
Perfect
I could not have marinaded you could not have marinaded he could not have marinaded we could not have marinaded you could not have marinaded they could not have marinaded
V-ing perfect
I could not have been marinading you could not have been marinading he could not have been marinading we could not have been marinading you could not have been marinading they could not have been marinading
Interrogative form
Simple form
could I marinade? could you marinade? could he marinade? could we marinade? could you marinade? could they marinade?
V-ing form
could I be marinading? could you be marinading? could he be marinading? could we be marinading? could you be marinading? could they be marinading?
Perfect
could I have marinaded? could you have marinaded? could he have marinaded? could we have marinaded? could you have marinaded? could they have marinaded?
V-ing perfect
could I have been marinading? could you have been marinading? could he have been marinading? could we have been marinading? could you have been marinading? could they have been marinading?
Interro-negative form
Simple form
could I not marinade? could you not marinade? could he not marinade? could we not marinade? could you not marinade? could they not marinade?
V-ing form
could I not be marinading? could you not be marinading? could he not be marinading? could we not be marinading? could you not be marinading? could they not be marinading?
Perfect
could I not have marinaded? could you not have marinaded? could he not have marinaded? could we not have marinaded? could you not have marinaded? could they not have marinaded?
V-ing perfect
could I not have been marinading? could you not have been marinading? could he not have been marinading? could we not have been marinading? could you not have been marinading? could they not have been marinading?