English verb conjugation
CAN SEMAPHORE

Regular verb: semaphore - semaphored - semaphored

Affirmation

Simple form	V-ing form
I can semaphore you can semaphore she can semaphore we can semaphore you can semaphore they can semaphore	I can be semaphoring you can be semaphoring she can be semaphoring we can be semaphoring you can be semaphoring they can be semaphoring
Perfect	V-ing perfect
I can have semaphored you can have semaphored she can have semaphored we can have semaphored you can have semaphored they can have semaphored	I can have been semaphoring you can have been semaphoring she can have been semaphoring we can have been semaphoring you can have been semaphoring they can have been semaphoring

Negation

Simple form	V-ing form
I can't semaphore you can't semaphore she can't semaphore we can't semaphore you can't semaphore they can't semaphore	I can't be semaphoring you can't be semaphoring she can't be semaphoring we can't be semaphoring you can't be semaphoring they can't be semaphoring
Perfect	V-ing perfect
I can't have semaphored you can't have semaphored she can't have semaphored we can't have semaphored you can't have semaphored they can't have semaphored	I can't have been semaphoring you can't have been semaphoring she can't have been semaphoring we can't have been semaphoring you can't have been semaphoring they can't have been semaphoring

Interrogative form

Simple form	V-ing form
can I semaphore? can you semaphore? can she semaphore? can we semaphore? can you semaphore? can they semaphore?	can I be semaphoring? can you be semaphoring? can she be semaphoring? can we be semaphoring? can you be semaphoring? can they be semaphoring?
Perfect	V-ing perfect
can I have semaphored? can you have semaphored? can she have semaphored? can we have semaphored? can you have semaphored? can they have semaphored?	can I have been semaphoring? can you have been semaphoring? can she have been semaphoring? can we have been semaphoring? can you have been semaphoring? can they have been semaphoring?

Interro-negative form

Simple form	V-ing form
can't I semaphore? can't you semaphore? can't she semaphore? can't we semaphore? can't you semaphore? can't they semaphore?	can't I be semaphoring? can't you be semaphoring? can't she be semaphoring? can't we be semaphoring? can't you be semaphoring? can't they be semaphoring?
Perfect	V-ing perfect
can't I have semaphored? can't you have semaphored? can't she have semaphored? can't we have semaphored? can't you have semaphored? can't they have semaphored?	can't I have been semaphoring? can't you have been semaphoring? can't she have been semaphoring? can't we have been semaphoring? can't you have been semaphoring? can't they have been semaphoring?