can semaphore
Regular verb: semaphore - semaphored- semaphored

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can semaphore
you can semaphore
he can semaphore
we can semaphore
you can semaphore
they can semaphore 	I can be semaphoring
you can be semaphoring
he can be semaphoring
we can be semaphoring
you can be semaphoring
they can be semaphoring	I can have semaphored
you can have semaphored
he 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
he 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 cannot semaphore
you cannot semaphore
he cannot semaphore
we cannot semaphore
you cannot semaphore
they cannot semaphore 	I cannot be semaphoring
you cannot be semaphoring
he cannot be semaphoring
we cannot be semaphoring
you cannot be semaphoring
they cannot be semaphoring	I cannot have semaphored
you cannot have semaphored
he cannot have semaphored
we cannot have semaphored
you cannot have semaphored
they cannot have semaphored	I cannot have been semaphoring
you cannot have been semaphoring
he cannot have been semaphoring
we cannot have been semaphoring
you cannot have been semaphoring
they cannot have been semaphoring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I semaphore?
can you semaphore?
can he semaphore?
can we semaphore?
can you semaphore?
can they semaphore? 	can I be semaphoring?
can you be semaphoring?
can he be semaphoring?
can we be semaphoring?
can you be semaphoring?
can they be semaphoring? 	can I have semaphored?
can you have semaphored?
can he 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 he 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 I not semaphore?
can you not semaphore?
can he not semaphore?
can we not semaphore?
can you not semaphore?
can they not semaphore? 	can I not be semaphoring?
can you not be semaphoring?
can he not be semaphoring?
can we not be semaphoring?
can you not be semaphoring?
can they not be semaphoring? 	can I not have semaphored?
can you not have semaphored?
can he not have semaphored?
can we not have semaphored?
can you not have semaphored?
can they not have semaphored? 	can I not have been semaphoring?
can you not have been semaphoring?
can he not have been semaphoring?
can we not have been semaphoring?
can you not have been semaphoring?
can they not have been semaphoring?