could synapse
Verbe régulier : synapse - synapsed- synapsed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could synapse
you could synapse
she could synapse
we could synapse
you could synapse
they could synapse 	I could be synapsing
you could be synapsing
she could be synapsing
we could be synapsing
you could be synapsing
they could be synapsing	I could have synapsed
you could have synapsed
she 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
she could have been synapsing
we could have been synapsing
you could have been synapsing
they could have been synapsing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't synapse
you couldn't synapse
she couldn't synapse
we couldn't synapse
you couldn't synapse
they couldn't synapse 	I couldn't be synapsing
you couldn't be synapsing
she couldn't be synapsing
we couldn't be synapsing
you couldn't be synapsing
they couldn't be synapsing	I couldn't have synapsed
you couldn't have synapsed
she couldn't have synapsed
we couldn't have synapsed
you couldn't have synapsed
they couldn't have synapsed	I couldn't have been synapsing
you couldn't have been synapsing
she couldn't have been synapsing
we couldn't have been synapsing
you couldn't have been synapsing
they couldn't have been synapsing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I synapse?
could you synapse?
could she synapse?
could we synapse?
could you synapse?
could they synapse? 	could I be synapsing?
could you be synapsing?
could she be synapsing?
could we be synapsing?
could you be synapsing?
could they be synapsing? 	could I have synapsed?
could you have synapsed?
could she 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 she have been synapsing?
could we have been synapsing?
could you have been synapsing?
could they have been synapsing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I synapse?
couldn't you synapse?
couldn't she synapse?
couldn't we synapse?
couldn't you synapse?
couldn't they synapse? 	couldn't I be synapsing?
couldn't you be synapsing?
couldn't she be synapsing?
couldn't we be synapsing?
couldn't you be synapsing?
couldn't they be synapsing? 	couldn't I have synapsed?
couldn't you have synapsed?
couldn't she have synapsed?
couldn't we have synapsed?
couldn't you have synapsed?
couldn't they have synapsed? 	couldn't I have been synapsing?
couldn't you have been synapsing?
couldn't she have been synapsing?
couldn't we have been synapsing?
couldn't you have been synapsing?
couldn't they have been synapsing?