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