How to Use Could, Would, and Should

Added: 2026-04-30

[00:00:00]Welcome to this short English lesson. In this lesson, you will learn how to use the modal verbs should, would, and could in everyday English.

[00:00:10]First, should.

[00:00:12]We use should to give advice or say what is a good idea. For example, you should clean your room.

[00:00:19]You should eat more vegetables.

[00:00:22]It also expresses expectation.

[00:00:25]The train should arrive at 6:00.

[00:00:27]The structure is subject plus should plus the base verb.

[00:00:32]She should study.

[00:00:34]The negative is shouldn't.

[00:00:36]You shouldn't stay up late.

[00:00:39]Next, would.

[00:00:41]We use would for polite requests, offers, and hypothetical situations.

[00:00:46]For example, would you help me, please?

[00:00:50]Would you like some coffee?

[00:00:51]For imaginary situations, I would travel more if I had more time.

[00:00:57]It also shows preference.

[00:00:59]I would like a cup of tea.

[00:01:01]The structure is subject plus would plus the base verb.

[00:01:06]The negative is wouldn't.

[00:01:08]Finally, could.

[00:01:10]We use could for past ability, possibility, and polite requests.

[00:01:15]For example, I could swim when I was five.

[00:01:19]It could rain later.

[00:01:21]Could you open the window?

[00:01:23]The structure is subject plus could plus the base verb.

[00:01:27]The negative is couldn't.

[00:01:30]Now, let's compare.

[00:01:32]You should see a doctor.

[00:01:34]This is advice.

[00:01:36]You could see a doctor. This is a suggestion.

[00:01:40]I would see a doctor if I were you.

[00:01:42]This is hypothetical advice.

[00:01:45]To summarize, should is for advice and expectation.

[00:01:49]Would is for politeness and imagination.

[00:01:52]Could is for ability, possibility, and polite requests.

[00:01:56]Thank you for listening. Practice these modal verbs regularly, and you will improve your English step-by-step.