を持つべきです

should have

→ を
phrase Uncommon #16,732
should have Used to say that someone should possess or develop something, such as a responsibility, interest, attitude, or quality. The more formal form is を持つべきです; を持つべきだ is less polite.
JA: 学生は将来の目標を持つべきです。
EN: Students should have goals for the future.

私達はもっと環境問題に関心を持つべきです

We should care more about environmental issues.

自分のしたことに責任を持つべきです

You should take responsibility for your actions.

仕事以外に関心事を持つべきです

You should have interests outside of work.

君は両親に対してもっと思いやりの心を持つべきです

You should be more considerate toward your parents.