Regular verb: coal - coaled - coaled
Simple form | V-ing form |
I must coal you must coal she must coal we must coal you must coal they must coal | I must be coaling you must be coaling she must be coaling we must be coaling you must be coaling they must be coaling |
Perfect | V-ing perfect |
I must have coaled you must have coaled she must have coaled we must have coaled you must have coaled they must have coaled | I must have been coaling you must have been coaling she must have been coaling we must have been coaling you must have been coaling they must have been coaling |
Simple form | V-ing form |
I must not coal you must not coal she must not coal we must not coal you must not coal they must not coal | I must not be coaling you must not be coaling she must not be coaling we must not be coaling you must not be coaling they must not be coaling |
Perfect | V-ing perfect |
I must not have coaled you must not have coaled she must not have coaled we must not have coaled you must not have coaled they must not have coaled | I must not have been coaling you must not have been coaling she must not have been coaling we must not have been coaling you must not have been coaling they must not have been coaling |
Simple form | V-ing form |
must I coal? must you coal? must she coal? must we coal? must you coal? must they coal? | must I be coaling? must you be coaling? must she be coaling? must we be coaling? must you be coaling? must they be coaling? |
Perfect | V-ing perfect |
must I have coaled? must you have coaled? must she have coaled? must we have coaled? must you have coaled? must they have coaled? | must I have been coaling? must you have been coaling? must she have been coaling? must we have been coaling? must you have been coaling? must they have been coaling? |
Simple form | V-ing form |
must I not coal? must you not coal? must she not coal? must we not coal? must you not coal? must they not coal? | must I not be coaling? must you not be coaling? must she not be coaling? must we not be coaling? must you not be coaling? must they not be coaling? |
Perfect | V-ing perfect |
must I not have coaled? must you not have coaled? must she not have coaled? must we not have coaled? must you not have coaled? must they not have coaled? | must I not have been coaling? must you not have been coaling? must she not have been coaling? must we not have been coaling? must you not have been coaling? must they not have been coaling? |