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G.15 - Modals: Obligation & Necessity

Modal Verbs Practice

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Auxiliary Verbs

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Auxiliary verbs are the verbs which help the main verb and give extra meaning to it. For example:

"I have studied English for three years."

The auxiliary verb have changes the tense of the sentence to present perfect, so we know the activity is ongoing.

"I studied English for three years."

Use Should to give advice - Elementary Level

Average: 3.3 (21 votes)

In English should and shouldn’t (should not) are used to give advice. Type in the correct  word for each sentence.

Today's lesson is from Sebastian E'Silva, EC Cape Town English language school.

Link: Auxilary Verbs

How to use modal verbs

Average: 3.4 (118 votes)

Many people learning English find modal verbs confusing, especially their specific meanings. Here's a basic introduction to some modal verbs with examples.


Can is used in three ways. It is used to show that something is possible:

"You can come to the party if you want."

Can is also used when making a request or when asking for permission: