WEBVTT

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Welcome to this tutorial.

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Today we're going to talk about the model Forbes shell and should.

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Let's get started.

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Remember the we use model verbs to show if we believe something is certain probable or possible or not.

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Now we also use models to ask permission.

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Make requests and offers etc..

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Remember the model serves.

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Fall into the category of auxiliary verbs which are also known as helping verbs.

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Now it means that they are used together with a mean verb to give grammatical information and additional

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meaning to a sentence nowadays.

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The most common use of shell in everyday English is in questions that serve as offers or suggestions.

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For example shall I shall we have a look at the examples below.

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Shall I order some pizza.

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Shall we go now.

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It's getting late now you can use the model verb should a to give advice a recommendation or a suggestion.

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For example I think you should study more B to express that a situation is likely to happen in the present

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or in the future more like a prediction.

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Have a look at the examples below.

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Kelly should be at home by now.

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You can stop by I ordered some t shirts 10 days ago.

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These should come in mail this week

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c to express an obligation.

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However it's not as strong as must now it.

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It's used instead of months to make rules orders or instructions sound more polite.

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Have a look at the example below.

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You should never lie to your parents D to say this something was expected in the past but didn't happen.

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Now in this case we use should plus have plus past participle as in the example below.

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I should have studied more but I was too lazy.