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