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