Regular verb: prick - pricked - pricked
Simple form | V-ing form |
I must prick you must prick she must prick we must prick you must prick they must prick | I must be pricking you must be pricking she must be pricking we must be pricking you must be pricking they must be pricking |
Perfect | V-ing perfect |
I must have pricked you must have pricked she must have pricked we must have pricked you must have pricked they must have pricked | I must have been pricking you must have been pricking she must have been pricking we must have been pricking you must have been pricking they must have been pricking |
Simple form | V-ing form |
I must not prick you must not prick she must not prick we must not prick you must not prick they must not prick | I must not be pricking you must not be pricking she must not be pricking we must not be pricking you must not be pricking they must not be pricking |
Perfect | V-ing perfect |
I must not have pricked you must not have pricked she must not have pricked we must not have pricked you must not have pricked they must not have pricked | I must not have been pricking you must not have been pricking she must not have been pricking we must not have been pricking you must not have been pricking they must not have been pricking |
Simple form | V-ing form |
must I prick? must you prick? must she prick? must we prick? must you prick? must they prick? | must I be pricking? must you be pricking? must she be pricking? must we be pricking? must you be pricking? must they be pricking? |
Perfect | V-ing perfect |
must I have pricked? must you have pricked? must she have pricked? must we have pricked? must you have pricked? must they have pricked? | must I have been pricking? must you have been pricking? must she have been pricking? must we have been pricking? must you have been pricking? must they have been pricking? |
Simple form | V-ing form |
must I not prick? must you not prick? must she not prick? must we not prick? must you not prick? must they not prick? | must I not be pricking? must you not be pricking? must she not be pricking? must we not be pricking? must you not be pricking? must they not be pricking? |
Perfect | V-ing perfect |
must I not have pricked? must you not have pricked? must she not have pricked? must we not have pricked? must you not have pricked? must they not have pricked? | must I not have been pricking? must you not have been pricking? must she not have been pricking? must we not have been pricking? must you not have been pricking? must they not have been pricking? |