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