English verb conjugation
CAN COACH

Regular verb: coach - coached - coached

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can I not coach? can you not coach? can he not coach? can we not coach? can you not coach? can they not coach?	can I not be coaching? can you not be coaching? can he not be coaching? can we not be coaching? can you not be coaching? can they not be coaching?
Perfect	V-ing perfect
can I not have coached? can you not have coached? can he not have coached? can we not have coached? can you not have coached? can they not have coached?	can I not have been coaching? can you not have been coaching? can he not have been coaching? can we not have been coaching? can you not have been coaching? can they not have been coaching?