Regular verb: spur - spurred - spurred
Simple form | V-ing form |
I must spur you must spur he must spur we must spur you must spur they must spur | I must be spurring you must be spurring he must be spurring we must be spurring you must be spurring they must be spurring |
Perfect | V-ing perfect |
I must have spurred you must have spurred he must have spurred we must have spurred you must have spurred they must have spurred | I must have been spurring you must have been spurring he must have been spurring we must have been spurring you must have been spurring they must have been spurring |
Simple form | V-ing form |
I mustn't spur you mustn't spur he mustn't spur we mustn't spur you mustn't spur they mustn't spur | I mustn't be spurring you mustn't be spurring he mustn't be spurring we mustn't be spurring you mustn't be spurring they mustn't be spurring |
Perfect | V-ing perfect |
I mustn't have spurred you mustn't have spurred he mustn't have spurred we mustn't have spurred you mustn't have spurred they mustn't have spurred | I mustn't have been spurring you mustn't have been spurring he mustn't have been spurring we mustn't have been spurring you mustn't have been spurring they mustn't have been spurring |
Simple form | V-ing form |
must I spur? must you spur? must he spur? must we spur? must you spur? must they spur? | must I be spurring? must you be spurring? must he be spurring? must we be spurring? must you be spurring? must they be spurring? |
Perfect | V-ing perfect |
must I have spurred? must you have spurred? must he have spurred? must we have spurred? must you have spurred? must they have spurred? | must I have been spurring? must you have been spurring? must he have been spurring? must we have been spurring? must you have been spurring? must they have been spurring? |
Simple form | V-ing form |
mustn't I spur? mustn't you spur? mustn't he spur? mustn't we spur? mustn't you spur? mustn't they spur? | mustn't I be spurring? mustn't you be spurring? mustn't he be spurring? mustn't we be spurring? mustn't you be spurring? mustn't they be spurring? |
Perfect | V-ing perfect |
mustn't I have spurred? mustn't you have spurred? mustn't he have spurred? mustn't we have spurred? mustn't you have spurred? mustn't they have spurred? | mustn't I have been spurring? mustn't you have been spurring? mustn't he have been spurring? mustn't we have been spurring? mustn't you have been spurring? mustn't they have been spurring? |