English verb conjugation
CAN PREAPPOINT

Regular verb: preappoint - preappointed - preappointed

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I can't preappoint you can't preappoint she can't preappoint we can't preappoint you can't preappoint they can't preappoint	I can't be preappointing you can't be preappointing she can't be preappointing we can't be preappointing you can't be preappointing they can't be preappointing
Perfect	V-ing perfect
I can't have preappointed you can't have preappointed she can't have preappointed we can't have preappointed you can't have preappointed they can't have preappointed	I can't have been preappointing you can't have been preappointing she can't have been preappointing we can't have been preappointing you can't have been preappointing they can't have been preappointing

Interrogative form

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