English verb conjugation
COULD COACH

Regular verb: coach - coached - coached

Affirmation

Simple form	V-ing form
I could coach you could coach he could coach we could coach you could coach they could coach	I could be coaching you could be coaching he could be coaching we could be coaching you could be coaching they could be coaching
Perfect	V-ing perfect
I could have coached you could have coached he could have coached we could have coached you could have coached they could have coached	I could have been coaching you could have been coaching he could have been coaching we could have been coaching you could have been coaching they could have been coaching

Negation

Simple form	V-ing form
I couldn't coach you couldn't coach he couldn't coach we couldn't coach you couldn't coach they couldn't coach	I couldn't be coaching you couldn't be coaching he couldn't be coaching we couldn't be coaching you couldn't be coaching they couldn't be coaching
Perfect	V-ing perfect
I couldn't have coached you couldn't have coached he couldn't have coached we couldn't have coached you couldn't have coached they couldn't have coached	I couldn't have been coaching you couldn't have been coaching he couldn't have been coaching we couldn't have been coaching you couldn't have been coaching they couldn't have been coaching

Interrogative form

Simple form	V-ing form
could I coach? could you coach? could he coach? could we coach? could you coach? could they coach?	could I be coaching? could you be coaching? could he be coaching? could we be coaching? could you be coaching? could they be coaching?
Perfect	V-ing perfect
could I have coached? could you have coached? could he have coached? could we have coached? could you have coached? could they have coached?	could I have been coaching? could you have been coaching? could he have been coaching? could we have been coaching? could you have been coaching? could they have been coaching?

Interro-negative form

Simple form	V-ing form
couldn't I coach? couldn't you coach? couldn't he coach? couldn't we coach? couldn't you coach? couldn't they coach?	couldn't I be coaching? couldn't you be coaching? couldn't he be coaching? couldn't we be coaching? couldn't you be coaching? couldn't they be coaching?
Perfect	V-ing perfect
couldn't I have coached? couldn't you have coached? couldn't he have coached? couldn't we have coached? couldn't you have coached? couldn't they have coached?	couldn't I have been coaching? couldn't you have been coaching? couldn't he have been coaching? couldn't we have been coaching? couldn't you have been coaching? couldn't they have been coaching?