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