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