Choose the option which is not true of functional grammar.

Grammar is the study and practice of the rules by which words change their forms and are combined into effective and meaningful sentences. It is referred to the total mechanism of the language, which enables its users to communicate with each other.

Key Points 

Functional Grammar:

• Functional grammar is supposed to allow the learner to function effectively and is based on teaching content that is designated as per the users' needs. 
• It is inductive in nature as it initially presents some examples and then infers the rule or principle. It studies the use of grammatical rules in the context of sentences and phrases.
• It concentrates on the practice of correct forms and usage of language in our daily lives to ease communication, it avoids the use of abstract and technical terminology 
• It conceives grammar as a practical application of specific forms and focuses on the development of the grammatical system as a means to interact with each other.

Hence, it could be concluded that 'it first states a definition or rule and then gives an example as illustration' is not true of functional grammar.