English verb conjugation
SHOULD TUSK

Regular verb: tusk - tusked - tusked

Affirmation

Simple form	V-ing form
I should tusk you should tusk he should tusk we should tusk you should tusk they should tusk	I should be tusking you should be tusking he should be tusking we should be tusking you should be tusking they should be tusking
Perfect	V-ing perfect
I should have tusked you should have tusked he should have tusked we should have tusked you should have tusked they should have tusked	I should have been tusking you should have been tusking he should have been tusking we should have been tusking you should have been tusking they should have been tusking

Negation

Simple form	V-ing form
I should not tusk you should not tusk he should not tusk we should not tusk you should not tusk they should not tusk	I should not be tusking you should not be tusking he should not be tusking we should not be tusking you should not be tusking they should not be tusking
Perfect	V-ing perfect
I should not have tusked you should not have tusked he should not have tusked we should not have tusked you should not have tusked they should not have tusked	I should not have been tusking you should not have been tusking he should not have been tusking we should not have been tusking you should not have been tusking they should not have been tusking

Interrogative form

Simple form	V-ing form
should I tusk? should you tusk? should he tusk? should we tusk? should you tusk? should they tusk?	should I be tusking? should you be tusking? should he be tusking? should we be tusking? should you be tusking? should they be tusking?
Perfect	V-ing perfect
should I have tusked? should you have tusked? should he have tusked? should we have tusked? should you have tusked? should they have tusked?	should I have been tusking? should you have been tusking? should he have been tusking? should we have been tusking? should you have been tusking? should they have been tusking?

Interro-negative form

Simple form	V-ing form
should I not tusk? should you not tusk? should he not tusk? should we not tusk? should you not tusk? should they not tusk?	should I not be tusking? should you not be tusking? should he not be tusking? should we not be tusking? should you not be tusking? should they not be tusking?
Perfect	V-ing perfect
should I not have tusked? should you not have tusked? should he not have tusked? should we not have tusked? should you not have tusked? should they not have tusked?	should I not have been tusking? should you not have been tusking? should he not have been tusking? should we not have been tusking? should you not have been tusking? should they not have been tusking?