​Read the example sentence carefully. What do modal verbs in bold in each group have in common?

​Group 1

​

​Can I go to the birthday party, please?

​You can borrow my new game if you like.

​Could you get me a glass of water, please?

​May we have another ice cream, please?

​You may leave when you finish the test.

​

​Group 2

​

​I must make some snacks for the birthday party.

​You have to be at the sports club by seven o'clock.

​You mustn't park your car here.

​

​Group 3

​

​You needn't buy any milk because there's some in the fridge.

​We don't have to go to the festival if you don't want to.

​What is modal verbs?

A modal verb is a type of auxiliary (helping) verb ​that is used to express ;

​

1) ability

​2) possibility

​3) permission

4) obligation

​

​Example:

​can, will, could, shall, must, would, might, should

​What is semi-modals?

Modal phrases or semi-modals are used to express the same thing as modals, but are a combination of auxiliary verbs and preposition 'to'.

​

Example :

​dare to

​need to

​ought to

​used to