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