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