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