Most students struggle to communicate effectively in some social situations because most teachers focus overly on grammar and often neglect teaching students functional language.

The heart of functional language is understanding the implied social meaning of certain expressions. We use language mainly to perform some kind of communicative behavior like make a request, offer help, offer advice, give apology, … etc. The expressions that we use to achieve these functions are called functional exponents.

There are two basic ways of presenting a language function:

1. Inductive way:  

* Give the learners different examples of the function and ask students to identify it: E.g. “Any chance of a coffee?” What is the speaker’s intention here? What language or expressions did he use to express his intention?

2. Deductive way: 

* Present a situation in which the function is needed and ask students to respond to it. E.g. you dropped the vase and it broke down. What would you say?

The best way to teach language functions is in context, that’s in dialogues 

When focusing on dialogues that contain functional language, there are three things should be clear for students to help them think about and analyze the target language:

1. The place where the dialogue is taking place.
2. The relationship between the two speakers.
3. What the speaker A / B wants to do or say.

Practical steps to teach a dialogue with some language functions:

1. Introduce the dialogue telling students the names of the speakers and present the difficult words if it is necessary.

2. Play the dialogue or read it as a whole then ask students about:

• where the dialogue is taking place (to check understanding of the context)
• the relationship between the two speakers (to check language appropriateness)

3. Divide the dialogue into mini dialogues; a stimulus and its response (functional expressions) and write them on the board.

4. Talk about the speakers’ intentions and give students the functional meaning.

5. Underline the key words in the expressions and highlight the form.

6. Draw students’ attention to the choice of particular words or structures to express certain meanings.

7. Ask students to say the expressions focusing on stress and intonation (pronunciation practice).

8. Ask students to practice the dialogue in public pairs (controlled oral practice)

9. Write a scrambled dialogue containing the functional language on the board asking students to rewrite it in the correct order (controlled written practice).

10. Create a real-life situation asking students to perform a dialogue using the target functional exponents (freer oral practice).

After that, you need to tell students that there are common functions in English. Write a list of them and ask students to match each function with its exponent (the way of expressing it).

E.g. 

At last, you should tell students the following principles associated with functional language:

• There are many functions in English, and there is also a wide variety of exponents that can be used to express each function.
• One structure can have more than one functional meaning so it’s difficult to understand the meaning of an utterance out of context.
• The kind of functional exponent that you use changes depending on how well you know the relationship between the two speakers.
• Pronunciation, in particular sentence stress and intonation, has a key role to play in learning functional language so you should always practice it orally.
• Functional exponents can often vary greatly depending on the structure so we should focus on grammatical form too.
• Some functions can be indirect and subtle so you should know their meanings.

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