English verb conjugation
CAN PREINSTRUCT

Regular verb: preinstruct - preinstructed - preinstructed

Affirmation

Simple form	V-ing form
I can preinstruct you can preinstruct she can preinstruct we can preinstruct you can preinstruct they can preinstruct	I can be preinstructing you can be preinstructing she can be preinstructing we can be preinstructing you can be preinstructing they can be preinstructing
Perfect	V-ing perfect
I can have preinstructed you can have preinstructed she can have preinstructed we can have preinstructed you can have preinstructed they can have preinstructed	I can have been preinstructing you can have been preinstructing she can have been preinstructing we can have been preinstructing you can have been preinstructing they can have been preinstructing

Negation

Simple form	V-ing form
I cannot preinstruct you cannot preinstruct she cannot preinstruct we cannot preinstruct you cannot preinstruct they cannot preinstruct	I cannot be preinstructing you cannot be preinstructing she cannot be preinstructing we cannot be preinstructing you cannot be preinstructing they cannot be preinstructing
Perfect	V-ing perfect
I cannot have preinstructed you cannot have preinstructed she cannot have preinstructed we cannot have preinstructed you cannot have preinstructed they cannot have preinstructed	I cannot have been preinstructing you cannot have been preinstructing she cannot have been preinstructing we cannot have been preinstructing you cannot have been preinstructing they cannot have been preinstructing

Interrogative form

Simple form	V-ing form
can I preinstruct? can you preinstruct? can she preinstruct? can we preinstruct? can you preinstruct? can they preinstruct?	can I be preinstructing? can you be preinstructing? can she be preinstructing? can we be preinstructing? can you be preinstructing? can they be preinstructing?
Perfect	V-ing perfect
can I have preinstructed? can you have preinstructed? can she have preinstructed? can we have preinstructed? can you have preinstructed? can they have preinstructed?	can I have been preinstructing? can you have been preinstructing? can she have been preinstructing? can we have been preinstructing? can you have been preinstructing? can they have been preinstructing?

Interro-negative form

Simple form	V-ing form
can I not preinstruct? can you not preinstruct? can she not preinstruct? can we not preinstruct? can you not preinstruct? can they not preinstruct?	can I not be preinstructing? can you not be preinstructing? can she not be preinstructing? can we not be preinstructing? can you not be preinstructing? can they not be preinstructing?
Perfect	V-ing perfect
can I not have preinstructed? can you not have preinstructed? can she not have preinstructed? can we not have preinstructed? can you not have preinstructed? can they not have preinstructed?	can I not have been preinstructing? can you not have been preinstructing? can she not have been preinstructing? can we not have been preinstructing? can you not have been preinstructing? can they not have been preinstructing?