English verb conjugation
CAN RESERVE

Regular verb: reserve - reserved - reserved

Affirmation

Simple form	V-ing form
I can reserve you can reserve he can reserve we can reserve you can reserve they can reserve	I can be reserving you can be reserving he 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 he 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 he 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 he 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 he 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 he 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 he 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 he reserve? can we reserve? can you reserve? can they reserve?	can I be reserving? can you be reserving? can he 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 he 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 he 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 he 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 he 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 he 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 he have been reserving? can't we have been reserving? can't you have been reserving? can't they have been reserving?