I should burke you should burke he should burke we should burke you should burke they should burke
V-ing form
I should be burking you should be burking he should be burking we should be burking you should be burking they should be burking
Perfect
I should have burked you should have burked he should have burked we should have burked you should have burked they should have burked
V-ing perfect
I should have been burking you should have been burking he should have been burking we should have been burking you should have been burking they should have been burking
Negation
Simple form
I should not burke you should not burke he should not burke we should not burke you should not burke they should not burke
V-ing form
I should not be burking you should not be burking he should not be burking we should not be burking you should not be burking they should not be burking
Perfect
I should not have burked you should not have burked he should not have burked we should not have burked you should not have burked they should not have burked
V-ing perfect
I should not have been burking you should not have been burking he should not have been burking we should not have been burking you should not have been burking they should not have been burking
Interrogative form
Simple form
should I burke? should you burke? should he burke? should we burke? should you burke? should they burke?
V-ing form
should I be burking? should you be burking? should he be burking? should we be burking? should you be burking? should they be burking?
Perfect
should I have burked? should you have burked? should he have burked? should we have burked? should you have burked? should they have burked?
V-ing perfect
should I have been burking? should you have been burking? should he have been burking? should we have been burking? should you have been burking? should they have been burking?
Interro-negative form
Simple form
should I not burke? should you not burke? should he not burke? should we not burke? should you not burke? should they not burke?
V-ing form
should I not be burking? should you not be burking? should he not be burking? should we not be burking? should you not be burking? should they not be burking?
Perfect
should I not have burked? should you not have burked? should he not have burked? should we not have burked? should you not have burked? should they not have burked?
V-ing perfect
should I not have been burking? should you not have been burking? should he not have been burking? should we not have been burking? should you not have been burking? should they not have been burking?