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