can preappoint
Regular verb: preappoint - preappointed- preappointed

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot preappoint
you cannot preappoint
she cannot preappoint
we cannot preappoint
you cannot preappoint
they cannot preappoint 	I cannot be preappointing
you cannot be preappointing
she cannot be preappointing
we cannot be preappointing
you cannot be preappointing
they cannot be preappointing	I cannot have preappointed
you cannot have preappointed
she cannot have preappointed
we cannot have preappointed
you cannot have preappointed
they cannot have preappointed	I cannot have been preappointing
you cannot have been preappointing
she cannot have been preappointing
we cannot have been preappointing
you cannot have been preappointing
they cannot have been preappointing	

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

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