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