English verb conjugation
SHOULD FILL

Regular verb: fill - filled - filled

Affirmation

Simple form	V-ing form
I should fill you should fill he should fill we should fill you should fill they should fill	I should be filling you should be filling he should be filling we should be filling you should be filling they should be filling
Perfect	V-ing perfect
I should have filled you should have filled he should have filled we should have filled you should have filled they should have filled	I should have been filling you should have been filling he should have been filling we should have been filling you should have been filling they should have been filling

Negation

Simple form	V-ing form
I should not fill you should not fill he should not fill we should not fill you should not fill they should not fill	I should not be filling you should not be filling he should not be filling we should not be filling you should not be filling they should not be filling
Perfect	V-ing perfect
I should not have filled you should not have filled he should not have filled we should not have filled you should not have filled they should not have filled	I should not have been filling you should not have been filling he should not have been filling we should not have been filling you should not have been filling they should not have been filling

Interrogative form

Simple form	V-ing form
should I fill? should you fill? should he fill? should we fill? should you fill? should they fill?	should I be filling? should you be filling? should he be filling? should we be filling? should you be filling? should they be filling?
Perfect	V-ing perfect
should I have filled? should you have filled? should he have filled? should we have filled? should you have filled? should they have filled?	should I have been filling? should you have been filling? should he have been filling? should we have been filling? should you have been filling? should they have been filling?

Interro-negative form

Simple form	V-ing form
should I not fill? should you not fill? should he not fill? should we not fill? should you not fill? should they not fill?	should I not be filling? should you not be filling? should he not be filling? should we not be filling? should you not be filling? should they not be filling?
Perfect	V-ing perfect
should I not have filled? should you not have filled? should he not have filled? should we not have filled? should you not have filled? should they not have filled?	should I not have been filling? should you not have been filling? should he not have been filling? should we not have been filling? should you not have been filling? should they not have been filling?