Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I could spend pass you could spend pass she could spend pass we could spend pass you could spend pass they could spend pass
V-ing form
I could be spend passing you could be spend passing she could be spend passing we could be spend passing you could be spend passing they could be spend passing
Perfect
I could have spend passed you could have spend passed she could have spend passed we could have spend passed you could have spend passed they could have spend passed
V-ing perfect
I could have been spend passing you could have been spend passing she could have been spend passing we could have been spend passing you could have been spend passing they could have been spend passing
Negation
Simple form
I could not spend pass you could not spend pass she could not spend pass we could not spend pass you could not spend pass they could not spend pass
V-ing form
I could not be spend passing you could not be spend passing she could not be spend passing we could not be spend passing you could not be spend passing they could not be spend passing
Perfect
I could not have spend passed you could not have spend passed she could not have spend passed we could not have spend passed you could not have spend passed they could not have spend passed
V-ing perfect
I could not have been spend passing you could not have been spend passing she could not have been spend passing we could not have been spend passing you could not have been spend passing they could not have been spend passing
Interrogative form
Simple form
could I spend pass? could you spend pass? could she spend pass? could we spend pass? could you spend pass? could they spend pass?
V-ing form
could I be spend passing? could you be spend passing? could she be spend passing? could we be spend passing? could you be spend passing? could they be spend passing?
Perfect
could I have spend passed? could you have spend passed? could she have spend passed? could we have spend passed? could you have spend passed? could they have spend passed?
V-ing perfect
could I have been spend passing? could you have been spend passing? could she have been spend passing? could we have been spend passing? could you have been spend passing? could they have been spend passing?
Interro-negative form
Simple form
could I not spend pass? could you not spend pass? could she not spend pass? could we not spend pass? could you not spend pass? could they not spend pass?
V-ing form
could I not be spend passing? could you not be spend passing? could she not be spend passing? could we not be spend passing? could you not be spend passing? could they not be spend passing?
Perfect
could I not have spend passed? could you not have spend passed? could she not have spend passed? could we not have spend passed? could you not have spend passed? could they not have spend passed?
V-ing perfect
could I not have been spend passing? could you not have been spend passing? could she not have been spend passing? could we not have been spend passing? could you not have been spend passing? could they not have been spend passing?