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