Giving advice:
* You should study more for the exam.
* They should consider buying a new car.
* We should try that new restaurant downtown.
Expressing obligation:
* You should pay your taxes on time.
* Students should respect their teachers.
* We should be kind to animals.
Expressing probability or expectation:
* The weather should be nice tomorrow.
* The meeting should start at 10 am.
* She should be here any minute now.
Expressing a suggestion:
* We should go to the beach this weekend.
* Why don't we should order pizza tonight?
* Let's should meet for coffee tomorrow.
Using "should" with "would" for polite requests:
* Would you should mind closing the window?
* Would you should like to join us for dinner?
Remember: "Should" is often used to express what is considered right, appropriate, or advisable. It can also be used to express a higher degree of probability than "might" or "could."