Should & Shall
English Language: KS3, topic 3.5.4
Using Should as a Modal Verb
Model verbs are verbs that affect other verbs in sentences. 'Should' is a modal verb used to show something has to happen or is likely to happen. Let's look at some examples of when 'should' is used as a modal verb...

You should call your mother

He should not have driven

I should phone the police

He should dress smartly

We should go to the theatre
Using Shall as a Modal Verb
Modal verbs are verbs that affect other verbs in sentences. 'Shall' is a modal verb used to show when something will definitely happen. Let's look at some examples of when 'shall' is used as a modal verb...

I shall have fun

You shall not cook

Where shall we eat?

He shall learn to read music

We shall buy a cat
Test yourself on Should & Shall
What is the modal verb in this sentence?
I should really visit my grandmother soon.What is the modal verb in this question?
How often should I water my plants?Which of these is a modal verb?
Which of these sentences uses a modal verb?
Which of these is a modal verb?