English verb conjugation
CAN RESERVE

Regular verb: reserve - reserved - reserved

Affirmation

Simple form	V-ing form
I can reserve you can reserve she can reserve we can reserve you can reserve they can reserve	I can be reserving you can be reserving she can be reserving we can be reserving you can be reserving they can be reserving
Perfect	V-ing perfect
I can have reserved you can have reserved she can have reserved we can have reserved you can have reserved they can have reserved	I can have been reserving you can have been reserving she can have been reserving we can have been reserving you can have been reserving they can have been reserving

Negation

Simple form	V-ing form
I cannot reserve you cannot reserve she cannot reserve we cannot reserve you cannot reserve they cannot reserve	I cannot be reserving you cannot be reserving she cannot be reserving we cannot be reserving you cannot be reserving they cannot be reserving
Perfect	V-ing perfect
I cannot have reserved you cannot have reserved she cannot have reserved we cannot have reserved you cannot have reserved they cannot have reserved	I cannot have been reserving you cannot have been reserving she cannot have been reserving we cannot have been reserving you cannot have been reserving they cannot have been reserving

Interrogative form

Simple form	V-ing form
can I reserve? can you reserve? can she reserve? can we reserve? can you reserve? can they reserve?	can I be reserving? can you be reserving? can she be reserving? can we be reserving? can you be reserving? can they be reserving?
Perfect	V-ing perfect
can I have reserved? can you have reserved? can she have reserved? can we have reserved? can you have reserved? can they have reserved?	can I have been reserving? can you have been reserving? can she have been reserving? can we have been reserving? can you have been reserving? can they have been reserving?

Interro-negative form

Simple form	V-ing form
can I not reserve? can you not reserve? can she not reserve? can we not reserve? can you not reserve? can they not reserve?	can I not be reserving? can you not be reserving? can she not be reserving? can we not be reserving? can you not be reserving? can they not be reserving?
Perfect	V-ing perfect
can I not have reserved? can you not have reserved? can she not have reserved? can we not have reserved? can you not have reserved? can they not have reserved?	can I not have been reserving? can you not have been reserving? can she not have been reserving? can we not have been reserving? can you not have been reserving? can they not have been reserving?