English verb conjugation
SHOULD WATERMARK

Regular verb: watermark - watermarked - watermarked

Affirmation

Simple form	V-ing form
I should watermark you should watermark she should watermark we should watermark you should watermark they should watermark	I should be watermarking you should be watermarking she should be watermarking we should be watermarking you should be watermarking they should be watermarking
Perfect	V-ing perfect
I should have watermarked you should have watermarked she should have watermarked we should have watermarked you should have watermarked they should have watermarked	I should have been watermarking you should have been watermarking she should have been watermarking we should have been watermarking you should have been watermarking they should have been watermarking

Negation

Simple form	V-ing form
I should not watermark you should not watermark she should not watermark we should not watermark you should not watermark they should not watermark	I should not be watermarking you should not be watermarking she should not be watermarking we should not be watermarking you should not be watermarking they should not be watermarking
Perfect	V-ing perfect
I should not have watermarked you should not have watermarked she should not have watermarked we should not have watermarked you should not have watermarked they should not have watermarked	I should not have been watermarking you should not have been watermarking she should not have been watermarking we should not have been watermarking you should not have been watermarking they should not have been watermarking

Interrogative form

Simple form	V-ing form
should I watermark? should you watermark? should she watermark? should we watermark? should you watermark? should they watermark?	should I be watermarking? should you be watermarking? should she be watermarking? should we be watermarking? should you be watermarking? should they be watermarking?
Perfect	V-ing perfect
should I have watermarked? should you have watermarked? should she have watermarked? should we have watermarked? should you have watermarked? should they have watermarked?	should I have been watermarking? should you have been watermarking? should she have been watermarking? should we have been watermarking? should you have been watermarking? should they have been watermarking?

Interro-negative form

Simple form	V-ing form
should I not watermark? should you not watermark? should she not watermark? should we not watermark? should you not watermark? should they not watermark?	should I not be watermarking? should you not be watermarking? should she not be watermarking? should we not be watermarking? should you not be watermarking? should they not be watermarking?
Perfect	V-ing perfect
should I not have watermarked? should you not have watermarked? should she not have watermarked? should we not have watermarked? should you not have watermarked? should they not have watermarked?	should I not have been watermarking? should you not have been watermarking? should she not have been watermarking? should we not have been watermarking? should you not have been watermarking? should they not have been watermarking?