Regular verb: penetrate - penetrated - penetrated
Simple form | V-ing form |
I must penetrate you must penetrate she must penetrate we must penetrate you must penetrate they must penetrate | I must be penetrating you must be penetrating she must be penetrating we must be penetrating you must be penetrating they must be penetrating |
Perfect | V-ing perfect |
I must have penetrated you must have penetrated she must have penetrated we must have penetrated you must have penetrated they must have penetrated | I must have been penetrating you must have been penetrating she must have been penetrating we must have been penetrating you must have been penetrating they must have been penetrating |
Simple form | V-ing form |
I must not penetrate you must not penetrate she must not penetrate we must not penetrate you must not penetrate they must not penetrate | I must not be penetrating you must not be penetrating she must not be penetrating we must not be penetrating you must not be penetrating they must not be penetrating |
Perfect | V-ing perfect |
I must not have penetrated you must not have penetrated she must not have penetrated we must not have penetrated you must not have penetrated they must not have penetrated | I must not have been penetrating you must not have been penetrating she must not have been penetrating we must not have been penetrating you must not have been penetrating they must not have been penetrating |
Simple form | V-ing form |
must I penetrate? must you penetrate? must she penetrate? must we penetrate? must you penetrate? must they penetrate? | must I be penetrating? must you be penetrating? must she be penetrating? must we be penetrating? must you be penetrating? must they be penetrating? |
Perfect | V-ing perfect |
must I have penetrated? must you have penetrated? must she have penetrated? must we have penetrated? must you have penetrated? must they have penetrated? | must I have been penetrating? must you have been penetrating? must she have been penetrating? must we have been penetrating? must you have been penetrating? must they have been penetrating? |
Simple form | V-ing form |
must I not penetrate? must you not penetrate? must she not penetrate? must we not penetrate? must you not penetrate? must they not penetrate? | must I not be penetrating? must you not be penetrating? must she not be penetrating? must we not be penetrating? must you not be penetrating? must they not be penetrating? |
Perfect | V-ing perfect |
must I not have penetrated? must you not have penetrated? must she not have penetrated? must we not have penetrated? must you not have penetrated? must they not have penetrated? | must I not have been penetrating? must you not have been penetrating? must she not have been penetrating? must we not have been penetrating? must you not have been penetrating? must they not have been penetrating? |