could suicide
Regular verb: suicide - suicided- suicided

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could suicide
you could suicide
she could suicide
we could suicide
you could suicide
they could suicide 	I could be suiciding
you could be suiciding
she could be suiciding
we could be suiciding
you could be suiciding
they could be suiciding	I could have suicided
you could have suicided
she could have suicided
we could have suicided
you could have suicided
they could have suicided	I could have been suiciding
you could have been suiciding
she could have been suiciding
we could have been suiciding
you could have been suiciding
they could have been suiciding	

Negation 	
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I could not suicide
you could not suicide
she could not suicide
we could not suicide
you could not suicide
they could not suicide 	I could not be suiciding
you could not be suiciding
she could not be suiciding
we could not be suiciding
you could not be suiciding
they could not be suiciding	I could not have suicided
you could not have suicided
she could not have suicided
we could not have suicided
you could not have suicided
they could not have suicided	I could not have been suiciding
you could not have been suiciding
she could not have been suiciding
we could not have been suiciding
you could not have been suiciding
they could not have been suiciding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I suicide?
could you suicide?
could she suicide?
could we suicide?
could you suicide?
could they suicide? 	could I be suiciding?
could you be suiciding?
could she be suiciding?
could we be suiciding?
could you be suiciding?
could they be suiciding? 	could I have suicided?
could you have suicided?
could she have suicided?
could we have suicided?
could you have suicided?
could they have suicided? 	could I have been suiciding?
could you have been suiciding?
could she have been suiciding?
could we have been suiciding?
could you have been suiciding?
could they have been suiciding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not suicide?
could you not suicide?
could she not suicide?
could we not suicide?
could you not suicide?
could they not suicide? 	could I not be suiciding?
could you not be suiciding?
could she not be suiciding?
could we not be suiciding?
could you not be suiciding?
could they not be suiciding? 	could I not have suicided?
could you not have suicided?
could she not have suicided?
could we not have suicided?
could you not have suicided?
could they not have suicided? 	could I not have been suiciding?
could you not have been suiciding?
could she not have been suiciding?
could we not have been suiciding?
could you not have been suiciding?
could they not have been suiciding?