I should handwash you should handwash she should handwash we should handwash you should handwash they should handwash
V-ing form
I should be handwashing you should be handwashing she should be handwashing we should be handwashing you should be handwashing they should be handwashing
Perfect
I should have handwashed you should have handwashed she should have handwashed we should have handwashed you should have handwashed they should have handwashed
V-ing perfect
I should have been handwashing you should have been handwashing she should have been handwashing we should have been handwashing you should have been handwashing they should have been handwashing
Negation
Simple form
I should not handwash you should not handwash she should not handwash we should not handwash you should not handwash they should not handwash
V-ing form
I should not be handwashing you should not be handwashing she should not be handwashing we should not be handwashing you should not be handwashing they should not be handwashing
Perfect
I should not have handwashed you should not have handwashed she should not have handwashed we should not have handwashed you should not have handwashed they should not have handwashed
V-ing perfect
I should not have been handwashing you should not have been handwashing she should not have been handwashing we should not have been handwashing you should not have been handwashing they should not have been handwashing
Interrogative form
Simple form
should I handwash? should you handwash? should she handwash? should we handwash? should you handwash? should they handwash?
V-ing form
should I be handwashing? should you be handwashing? should she be handwashing? should we be handwashing? should you be handwashing? should they be handwashing?
Perfect
should I have handwashed? should you have handwashed? should she have handwashed? should we have handwashed? should you have handwashed? should they have handwashed?
V-ing perfect
should I have been handwashing? should you have been handwashing? should she have been handwashing? should we have been handwashing? should you have been handwashing? should they have been handwashing?
Interro-negative form
Simple form
should I not handwash? should you not handwash? should she not handwash? should we not handwash? should you not handwash? should they not handwash?
V-ing form
should I not be handwashing? should you not be handwashing? should she not be handwashing? should we not be handwashing? should you not be handwashing? should they not be handwashing?
Perfect
should I not have handwashed? should you not have handwashed? should she not have handwashed? should we not have handwashed? should you not have handwashed? should they not have handwashed?
V-ing perfect
should I not have been handwashing? should you not have been handwashing? should she not have been handwashing? should we not have been handwashing? should you not have been handwashing? should they not have been handwashing?