Regular verb: curse - cursed - cursed
Simple form | V-ing form |
I must curse you must curse she must curse we must curse you must curse they must curse | I must be cursing you must be cursing she must be cursing we must be cursing you must be cursing they must be cursing |
Perfect | V-ing perfect |
I must have cursed you must have cursed she must have cursed we must have cursed you must have cursed they must have cursed | I must have been cursing you must have been cursing she must have been cursing we must have been cursing you must have been cursing they must have been cursing |
Simple form | V-ing form |
I mustn't curse you mustn't curse she mustn't curse we mustn't curse you mustn't curse they mustn't curse | I mustn't be cursing you mustn't be cursing she mustn't be cursing we mustn't be cursing you mustn't be cursing they mustn't be cursing |
Perfect | V-ing perfect |
I mustn't have cursed you mustn't have cursed she mustn't have cursed we mustn't have cursed you mustn't have cursed they mustn't have cursed | I mustn't have been cursing you mustn't have been cursing she mustn't have been cursing we mustn't have been cursing you mustn't have been cursing they mustn't have been cursing |
Simple form | V-ing form |
must I curse? must you curse? must she curse? must we curse? must you curse? must they curse? | must I be cursing? must you be cursing? must she be cursing? must we be cursing? must you be cursing? must they be cursing? |
Perfect | V-ing perfect |
must I have cursed? must you have cursed? must she have cursed? must we have cursed? must you have cursed? must they have cursed? | must I have been cursing? must you have been cursing? must she have been cursing? must we have been cursing? must you have been cursing? must they have been cursing? |
Simple form | V-ing form |
mustn't I curse? mustn't you curse? mustn't she curse? mustn't we curse? mustn't you curse? mustn't they curse? | mustn't I be cursing? mustn't you be cursing? mustn't she be cursing? mustn't we be cursing? mustn't you be cursing? mustn't they be cursing? |
Perfect | V-ing perfect |
mustn't I have cursed? mustn't you have cursed? mustn't she have cursed? mustn't we have cursed? mustn't you have cursed? mustn't they have cursed? | mustn't I have been cursing? mustn't you have been cursing? mustn't she have been cursing? mustn't we have been cursing? mustn't you have been cursing? mustn't they have been cursing? |