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