could synapse
Regular verb: synapse - synapsed- synapsed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could synapse
you could synapse
he could synapse
we could synapse
you could synapse
they could synapse 	I could be synapsing
you could be synapsing
he could be synapsing
we could be synapsing
you could be synapsing
they could be synapsing	I could have synapsed
you could have synapsed
he could have synapsed
we could have synapsed
you could have synapsed
they could have synapsed	I could have been synapsing
you could have been synapsing
he could have been synapsing
we could have been synapsing
you could have been synapsing
they could have been synapsing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not synapse
you could not synapse
he could not synapse
we could not synapse
you could not synapse
they could not synapse 	I could not be synapsing
you could not be synapsing
he could not be synapsing
we could not be synapsing
you could not be synapsing
they could not be synapsing	I could not have synapsed
you could not have synapsed
he could not have synapsed
we could not have synapsed
you could not have synapsed
they could not have synapsed	I could not have been synapsing
you could not have been synapsing
he could not have been synapsing
we could not have been synapsing
you could not have been synapsing
they could not have been synapsing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I synapse?
could you synapse?
could he synapse?
could we synapse?
could you synapse?
could they synapse? 	could I be synapsing?
could you be synapsing?
could he be synapsing?
could we be synapsing?
could you be synapsing?
could they be synapsing? 	could I have synapsed?
could you have synapsed?
could he have synapsed?
could we have synapsed?
could you have synapsed?
could they have synapsed? 	could I have been synapsing?
could you have been synapsing?
could he have been synapsing?
could we have been synapsing?
could you have been synapsing?
could they have been synapsing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not synapse?
could you not synapse?
could he not synapse?
could we not synapse?
could you not synapse?
could they not synapse? 	could I not be synapsing?
could you not be synapsing?
could he not be synapsing?
could we not be synapsing?
could you not be synapsing?
could they not be synapsing? 	could I not have synapsed?
could you not have synapsed?
could he not have synapsed?
could we not have synapsed?
could you not have synapsed?
could they not have synapsed? 	could I not have been synapsing?
could you not have been synapsing?
could he not have been synapsing?
could we not have been synapsing?
could you not have been synapsing?
could they not have been synapsing?