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