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 can't reserve you can't reserve she can't reserve we can't reserve you can't reserve they can't reserve	I can't be reserving you can't be reserving she can't be reserving we can't be reserving you can't be reserving they can't be reserving
Perfect	V-ing perfect
I can't have reserved you can't have reserved she can't have reserved we can't have reserved you can't have reserved they can't have reserved	I can't have been reserving you can't have been reserving she can't have been reserving we can't have been reserving you can't have been reserving they can't 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't I reserve? can't you reserve? can't she reserve? can't we reserve? can't you reserve? can't they reserve?	can't I be reserving? can't you be reserving? can't she be reserving? can't we be reserving? can't you be reserving? can't they be reserving?
Perfect	V-ing perfect
can't I have reserved? can't you have reserved? can't she have reserved? can't we have reserved? can't you have reserved? can't they have reserved?	can't I have been reserving? can't you have been reserving? can't she have been reserving? can't we have been reserving? can't you have been reserving? can't they have been reserving?