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