I should shovel you should shovel she should shovel we should shovel you should shovel they should shovel
V-ing form
I should be shovelling you should be shovelling she should be shovelling we should be shovelling you should be shovelling they should be shovelling
Perfect
I should have shovelled you should have shovelled she should have shovelled we should have shovelled you should have shovelled they should have shovelled
V-ing perfect
I should have been shovelling you should have been shovelling she should have been shovelling we should have been shovelling you should have been shovelling they should have been shovelling
Negation
Simple form
I should not shovel you should not shovel she should not shovel we should not shovel you should not shovel they should not shovel
V-ing form
I should not be shovelling you should not be shovelling she should not be shovelling we should not be shovelling you should not be shovelling they should not be shovelling
Perfect
I should not have shovelled you should not have shovelled she should not have shovelled we should not have shovelled you should not have shovelled they should not have shovelled
V-ing perfect
I should not have been shovelling you should not have been shovelling she should not have been shovelling we should not have been shovelling you should not have been shovelling they should not have been shovelling
Interrogative form
Simple form
should I shovel? should you shovel? should she shovel? should we shovel? should you shovel? should they shovel?
V-ing form
should I be shovelling? should you be shovelling? should she be shovelling? should we be shovelling? should you be shovelling? should they be shovelling?
Perfect
should I have shovelled? should you have shovelled? should she have shovelled? should we have shovelled? should you have shovelled? should they have shovelled?
V-ing perfect
should I have been shovelling? should you have been shovelling? should she have been shovelling? should we have been shovelling? should you have been shovelling? should they have been shovelling?
Interro-negative form
Simple form
should I not shovel? should you not shovel? should she not shovel? should we not shovel? should you not shovel? should they not shovel?
V-ing form
should I not be shovelling? should you not be shovelling? should she not be shovelling? should we not be shovelling? should you not be shovelling? should they not be shovelling?
Perfect
should I not have shovelled? should you not have shovelled? should she not have shovelled? should we not have shovelled? should you not have shovelled? should they not have shovelled?
V-ing perfect
should I not have been shovelling? should you not have been shovelling? should she not have been shovelling? should we not have been shovelling? should you not have been shovelling? should they not have been shovelling?