I could clip-clop you could clip-clop he could clip-clop we could clip-clop you could clip-clop they could clip-clop
V-ing form
I could be clip-cloping you could be clip-cloping he could be clip-cloping we could be clip-cloping you could be clip-cloping they could be clip-cloping
Perfect
I could have clip-cloped you could have clip-cloped he could have clip-cloped we could have clip-cloped you could have clip-cloped they could have clip-cloped
V-ing perfect
I could have been clip-cloping you could have been clip-cloping he could have been clip-cloping we could have been clip-cloping you could have been clip-cloping they could have been clip-cloping
Negation
Simple form
I could not clip-clop you could not clip-clop he could not clip-clop we could not clip-clop you could not clip-clop they could not clip-clop
V-ing form
I could not be clip-cloping you could not be clip-cloping he could not be clip-cloping we could not be clip-cloping you could not be clip-cloping they could not be clip-cloping
Perfect
I could not have clip-cloped you could not have clip-cloped he could not have clip-cloped we could not have clip-cloped you could not have clip-cloped they could not have clip-cloped
V-ing perfect
I could not have been clip-cloping you could not have been clip-cloping he could not have been clip-cloping we could not have been clip-cloping you could not have been clip-cloping they could not have been clip-cloping
Interrogative form
Simple form
could I clip-clop? could you clip-clop? could he clip-clop? could we clip-clop? could you clip-clop? could they clip-clop?
V-ing form
could I be clip-cloping? could you be clip-cloping? could he be clip-cloping? could we be clip-cloping? could you be clip-cloping? could they be clip-cloping?
Perfect
could I have clip-cloped? could you have clip-cloped? could he have clip-cloped? could we have clip-cloped? could you have clip-cloped? could they have clip-cloped?
V-ing perfect
could I have been clip-cloping? could you have been clip-cloping? could he have been clip-cloping? could we have been clip-cloping? could you have been clip-cloping? could they have been clip-cloping?
Interro-negative form
Simple form
could I not clip-clop? could you not clip-clop? could he not clip-clop? could we not clip-clop? could you not clip-clop? could they not clip-clop?
V-ing form
could I not be clip-cloping? could you not be clip-cloping? could he not be clip-cloping? could we not be clip-cloping? could you not be clip-cloping? could they not be clip-cloping?
Perfect
could I not have clip-cloped? could you not have clip-cloped? could he not have clip-cloped? could we not have clip-cloped? could you not have clip-cloped? could they not have clip-cloped?
V-ing perfect
could I not have been clip-cloping? could you not have been clip-cloping? could he not have been clip-cloping? could we not have been clip-cloping? could you not have been clip-cloping? could they not have been clip-cloping?