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