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