English verb conjugation
COULD MARSHAL

Regular verb: marshal - marshalled - marshalled

Affirmation

Simple form	V-ing form
I could marshal you could marshal he could marshal we could marshal you could marshal they could marshal	I could be marshalling you could be marshalling he could be marshalling we could be marshalling you could be marshalling they could be marshalling
Perfect	V-ing perfect
I could have marshalled you could have marshalled he could have marshalled we could have marshalled you could have marshalled they could have marshalled	I could have been marshalling you could have been marshalling he could have been marshalling we could have been marshalling you could have been marshalling they could have been marshalling

Negation

Simple form	V-ing form
I could not marshal you could not marshal he could not marshal we could not marshal you could not marshal they could not marshal	I could not be marshalling you could not be marshalling he could not be marshalling we could not be marshalling you could not be marshalling they could not be marshalling
Perfect	V-ing perfect
I could not have marshalled you could not have marshalled he could not have marshalled we could not have marshalled you could not have marshalled they could not have marshalled	I could not have been marshalling you could not have been marshalling he could not have been marshalling we could not have been marshalling you could not have been marshalling they could not have been marshalling

Interrogative form

Simple form	V-ing form
could I marshal? could you marshal? could he marshal? could we marshal? could you marshal? could they marshal?	could I be marshalling? could you be marshalling? could he be marshalling? could we be marshalling? could you be marshalling? could they be marshalling?
Perfect	V-ing perfect
could I have marshalled? could you have marshalled? could he have marshalled? could we have marshalled? could you have marshalled? could they have marshalled?	could I have been marshalling? could you have been marshalling? could he have been marshalling? could we have been marshalling? could you have been marshalling? could they have been marshalling?

Interro-negative form

Simple form	V-ing form
could I not marshal? could you not marshal? could he not marshal? could we not marshal? could you not marshal? could they not marshal?	could I not be marshalling? could you not be marshalling? could he not be marshalling? could we not be marshalling? could you not be marshalling? could they not be marshalling?
Perfect	V-ing perfect
could I not have marshalled? could you not have marshalled? could he not have marshalled? could we not have marshalled? could you not have marshalled? could they not have marshalled?	could I not have been marshalling? could you not have been marshalling? could he not have been marshalling? could we not have been marshalling? could you not have been marshalling? could they not have been marshalling?