could preappoint
Regular verb: preappoint - preappointed- preappointed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could preappoint
you could preappoint
he could preappoint
we could preappoint
you could preappoint
they could preappoint 	I could be preappointing
you could be preappointing
he could be preappointing
we could be preappointing
you could be preappointing
they could be preappointing	I could have preappointed
you could have preappointed
he could have preappointed
we could have preappointed
you could have preappointed
they could have preappointed	I could have been preappointing
you could have been preappointing
he could have been preappointing
we could have been preappointing
you could have been preappointing
they could have been preappointing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not preappoint
you could not preappoint
he could not preappoint
we could not preappoint
you could not preappoint
they could not preappoint 	I could not be preappointing
you could not be preappointing
he could not be preappointing
we could not be preappointing
you could not be preappointing
they could not be preappointing	I could not have preappointed
you could not have preappointed
he could not have preappointed
we could not have preappointed
you could not have preappointed
they could not have preappointed	I could not have been preappointing
you could not have been preappointing
he could not have been preappointing
we could not have been preappointing
you could not have been preappointing
they could not have been preappointing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I preappoint?
could you preappoint?
could he preappoint?
could we preappoint?
could you preappoint?
could they preappoint? 	could I be preappointing?
could you be preappointing?
could he be preappointing?
could we be preappointing?
could you be preappointing?
could they be preappointing? 	could I have preappointed?
could you have preappointed?
could he have preappointed?
could we have preappointed?
could you have preappointed?
could they have preappointed? 	could I have been preappointing?
could you have been preappointing?
could he have been preappointing?
could we have been preappointing?
could you have been preappointing?
could they have been preappointing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not preappoint?
could you not preappoint?
could he not preappoint?
could we not preappoint?
could you not preappoint?
could they not preappoint? 	could I not be preappointing?
could you not be preappointing?
could he not be preappointing?
could we not be preappointing?
could you not be preappointing?
could they not be preappointing? 	could I not have preappointed?
could you not have preappointed?
could he not have preappointed?
could we not have preappointed?
could you not have preappointed?
could they not have preappointed? 	could I not have been preappointing?
could you not have been preappointing?
could he not have been preappointing?
could we not have been preappointing?
could you not have been preappointing?
could they not have been preappointing?