Regular verb: contaminate - contaminated - contaminated
Simple form | V-ing form |
I must contaminate you must contaminate he must contaminate we must contaminate you must contaminate they must contaminate | I must be contaminating you must be contaminating he must be contaminating we must be contaminating you must be contaminating they must be contaminating |
Perfect | V-ing perfect |
I must have contaminated you must have contaminated he must have contaminated we must have contaminated you must have contaminated they must have contaminated | I must have been contaminating you must have been contaminating he must have been contaminating we must have been contaminating you must have been contaminating they must have been contaminating |
Simple form | V-ing form |
I mustn't contaminate you mustn't contaminate he mustn't contaminate we mustn't contaminate you mustn't contaminate they mustn't contaminate | I mustn't be contaminating you mustn't be contaminating he mustn't be contaminating we mustn't be contaminating you mustn't be contaminating they mustn't be contaminating |
Perfect | V-ing perfect |
I mustn't have contaminated you mustn't have contaminated he mustn't have contaminated we mustn't have contaminated you mustn't have contaminated they mustn't have contaminated | I mustn't have been contaminating you mustn't have been contaminating he mustn't have been contaminating we mustn't have been contaminating you mustn't have been contaminating they mustn't have been contaminating |
Simple form | V-ing form |
must I contaminate? must you contaminate? must he contaminate? must we contaminate? must you contaminate? must they contaminate? | must I be contaminating? must you be contaminating? must he be contaminating? must we be contaminating? must you be contaminating? must they be contaminating? |
Perfect | V-ing perfect |
must I have contaminated? must you have contaminated? must he have contaminated? must we have contaminated? must you have contaminated? must they have contaminated? | must I have been contaminating? must you have been contaminating? must he have been contaminating? must we have been contaminating? must you have been contaminating? must they have been contaminating? |
Simple form | V-ing form |
mustn't I contaminate? mustn't you contaminate? mustn't he contaminate? mustn't we contaminate? mustn't you contaminate? mustn't they contaminate? | mustn't I be contaminating? mustn't you be contaminating? mustn't he be contaminating? mustn't we be contaminating? mustn't you be contaminating? mustn't they be contaminating? |
Perfect | V-ing perfect |
mustn't I have contaminated? mustn't you have contaminated? mustn't he have contaminated? mustn't we have contaminated? mustn't you have contaminated? mustn't they have contaminated? | mustn't I have been contaminating? mustn't you have been contaminating? mustn't he have been contaminating? mustn't we have been contaminating? mustn't you have been contaminating? mustn't they have been contaminating? |