Regular verb: reserve - reserved - reserved
Simple form | V-ing form |
I must reserve you must reserve he must reserve we must reserve you must reserve they must reserve | I must be reserving you must be reserving he must be reserving we must be reserving you must be reserving they must be reserving |
Perfect | V-ing perfect |
I must have reserved you must have reserved he must have reserved we must have reserved you must have reserved they must have reserved | I must have been reserving you must have been reserving he must have been reserving we must have been reserving you must have been reserving they must have been reserving |
Simple form | V-ing form |
I mustn't reserve you mustn't reserve he mustn't reserve we mustn't reserve you mustn't reserve they mustn't reserve | I mustn't be reserving you mustn't be reserving he mustn't be reserving we mustn't be reserving you mustn't be reserving they mustn't be reserving |
Perfect | V-ing perfect |
I mustn't have reserved you mustn't have reserved he mustn't have reserved we mustn't have reserved you mustn't have reserved they mustn't have reserved | I mustn't have been reserving you mustn't have been reserving he mustn't have been reserving we mustn't have been reserving you mustn't have been reserving they mustn't have been reserving |
Simple form | V-ing form |
must I reserve? must you reserve? must he reserve? must we reserve? must you reserve? must they reserve? | must I be reserving? must you be reserving? must he be reserving? must we be reserving? must you be reserving? must they be reserving? |
Perfect | V-ing perfect |
must I have reserved? must you have reserved? must he have reserved? must we have reserved? must you have reserved? must they have reserved? | must I have been reserving? must you have been reserving? must he have been reserving? must we have been reserving? must you have been reserving? must they have been reserving? |
Simple form | V-ing form |
mustn't I reserve? mustn't you reserve? mustn't he reserve? mustn't we reserve? mustn't you reserve? mustn't they reserve? | mustn't I be reserving? mustn't you be reserving? mustn't he be reserving? mustn't we be reserving? mustn't you be reserving? mustn't they be reserving? |
Perfect | V-ing perfect |
mustn't I have reserved? mustn't you have reserved? mustn't he have reserved? mustn't we have reserved? mustn't you have reserved? mustn't they have reserved? | mustn't I have been reserving? mustn't you have been reserving? mustn't he have been reserving? mustn't we have been reserving? mustn't you have been reserving? mustn't they have been reserving? |