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