can semaphore
Regular verb: semaphore - semaphored- semaphored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?