English verb conjugation
CAN PREACKNOWLEDGE

Regular verb: preacknowledge - preacknowledged - preacknowledged

Affirmation

Simple form	V-ing form
I can preacknowledge you can preacknowledge she can preacknowledge we can preacknowledge you can preacknowledge they can preacknowledge	I can be preacknowledging you can be preacknowledging she can be preacknowledging we can be preacknowledging you can be preacknowledging they can be preacknowledging
Perfect	V-ing perfect
I can have preacknowledged you can have preacknowledged she can have preacknowledged we can have preacknowledged you can have preacknowledged they can have preacknowledged	I can have been preacknowledging you can have been preacknowledging she can have been preacknowledging we can have been preacknowledging you can have been preacknowledging they can have been preacknowledging

Negation

Simple form	V-ing form
I cannot preacknowledge you cannot preacknowledge she cannot preacknowledge we cannot preacknowledge you cannot preacknowledge they cannot preacknowledge	I cannot be preacknowledging you cannot be preacknowledging she cannot be preacknowledging we cannot be preacknowledging you cannot be preacknowledging they cannot be preacknowledging
Perfect	V-ing perfect
I cannot have preacknowledged you cannot have preacknowledged she cannot have preacknowledged we cannot have preacknowledged you cannot have preacknowledged they cannot have preacknowledged	I cannot have been preacknowledging you cannot have been preacknowledging she cannot have been preacknowledging we cannot have been preacknowledging you cannot have been preacknowledging they cannot have been preacknowledging

Interrogative form

Simple form	V-ing form
can I preacknowledge? can you preacknowledge? can she preacknowledge? can we preacknowledge? can you preacknowledge? can they preacknowledge?	can I be preacknowledging? can you be preacknowledging? can she be preacknowledging? can we be preacknowledging? can you be preacknowledging? can they be preacknowledging?
Perfect	V-ing perfect
can I have preacknowledged? can you have preacknowledged? can she have preacknowledged? can we have preacknowledged? can you have preacknowledged? can they have preacknowledged?	can I have been preacknowledging? can you have been preacknowledging? can she have been preacknowledging? can we have been preacknowledging? can you have been preacknowledging? can they have been preacknowledging?

Interro-negative form

Simple form	V-ing form
can I not preacknowledge? can you not preacknowledge? can she not preacknowledge? can we not preacknowledge? can you not preacknowledge? can they not preacknowledge?	can I not be preacknowledging? can you not be preacknowledging? can she not be preacknowledging? can we not be preacknowledging? can you not be preacknowledging? can they not be preacknowledging?
Perfect	V-ing perfect
can I not have preacknowledged? can you not have preacknowledged? can she not have preacknowledged? can we not have preacknowledged? can you not have preacknowledged? can they not have preacknowledged?	can I not have been preacknowledging? can you not have been preacknowledging? can she not have been preacknowledging? can we not have been preacknowledging? can you not have been preacknowledging? can they not have been preacknowledging?