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