Regular verb: while - whiled - whiled
Simple form | V-ing form |
I must while you must while she must while we must while you must while they must while | I must be whiling you must be whiling she must be whiling we must be whiling you must be whiling they must be whiling |
Perfect | V-ing perfect |
I must have whiled you must have whiled she must have whiled we must have whiled you must have whiled they must have whiled | I must have been whiling you must have been whiling she must have been whiling we must have been whiling you must have been whiling they must have been whiling |
Simple form | V-ing form |
I mustn't while you mustn't while she mustn't while we mustn't while you mustn't while they mustn't while | I mustn't be whiling you mustn't be whiling she mustn't be whiling we mustn't be whiling you mustn't be whiling they mustn't be whiling |
Perfect | V-ing perfect |
I mustn't have whiled you mustn't have whiled she mustn't have whiled we mustn't have whiled you mustn't have whiled they mustn't have whiled | I mustn't have been whiling you mustn't have been whiling she mustn't have been whiling we mustn't have been whiling you mustn't have been whiling they mustn't have been whiling |
Simple form | V-ing form |
must I while? must you while? must she while? must we while? must you while? must they while? | must I be whiling? must you be whiling? must she be whiling? must we be whiling? must you be whiling? must they be whiling? |
Perfect | V-ing perfect |
must I have whiled? must you have whiled? must she have whiled? must we have whiled? must you have whiled? must they have whiled? | must I have been whiling? must you have been whiling? must she have been whiling? must we have been whiling? must you have been whiling? must they have been whiling? |
Simple form | V-ing form |
mustn't I while? mustn't you while? mustn't she while? mustn't we while? mustn't you while? mustn't they while? | mustn't I be whiling? mustn't you be whiling? mustn't she be whiling? mustn't we be whiling? mustn't you be whiling? mustn't they be whiling? |
Perfect | V-ing perfect |
mustn't I have whiled? mustn't you have whiled? mustn't she have whiled? mustn't we have whiled? mustn't you have whiled? mustn't they have whiled? | mustn't I have been whiling? mustn't you have been whiling? mustn't she have been whiling? mustn't we have been whiling? mustn't you have been whiling? mustn't they have been whiling? |