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 mustn't prick you mustn't prick she mustn't prick we mustn't prick you mustn't prick they mustn't prick | I mustn't be pricking you mustn't be pricking she mustn't be pricking we mustn't be pricking you mustn't be pricking they mustn't be pricking |
Perfect | V-ing perfect |
I mustn't have pricked you mustn't have pricked she mustn't have pricked we mustn't have pricked you mustn't have pricked they mustn't have pricked | I mustn't have been pricking you mustn't have been pricking she mustn't have been pricking we mustn't have been pricking you mustn't have been pricking they mustn't 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 |
mustn't I prick? mustn't you prick? mustn't she prick? mustn't we prick? mustn't you prick? mustn't they prick? | mustn't I be pricking? mustn't you be pricking? mustn't she be pricking? mustn't we be pricking? mustn't you be pricking? mustn't they be pricking? |
Perfect | V-ing perfect |
mustn't I have pricked? mustn't you have pricked? mustn't she have pricked? mustn't we have pricked? mustn't you have pricked? mustn't they have pricked? | mustn't I have been pricking? mustn't you have been pricking? mustn't she have been pricking? mustn't we have been pricking? mustn't you have been pricking? mustn't they have been pricking? |