Should / Shouldn't - English Grammar
INSTRUCTIONS
Should / Shouldn't. Read the grammar reference about "Should" / "Shouldn't".
Then do the exercises on the Should / Shouldn't Exercise page.
Troubleshooting Page.

Albert Einstein
Why do you have to click the Start button to shut down? The same reason you turn the ignition key to shut off your car.Read the grammar reference about Should / Shouldn't modal verb.
Then do the exercises on Should / Shouldn't Exercise page.
You look tired. I think you should take a few days off.
Alice works very long hours. She should to talk to her boss.
- I have an English test tomorrow.
- I shouldn't worry if I were you. You have worked really hard.
- I never have enough money.
- I don't think you should go out so much.
To give advice to someone you can also say:
When you regret not doing something in the past, you can say:
Now do the exercises on Should / Shouldn't Exercise page.