Restricted use is part of the model Authentic Use, Restricted Use and Clarification and Focus (ARC).
Example
Learners have seen examples of the structure 'If I were you…' in a text from a teenage magazine. They then look at the form and practise making it using prompts.
In the classroom :
The ARC model is useful to label the different stages of a lesson. For example, a lesson following a model CRCAC would have a presentation stage, practice, clarification, free practice and further clarification based on problems that arise in the free practice.
Further links:
https://www.teachingenglish.org.uk/article/planning-a-grammar-lesson
https://www.teachingenglish.org.uk/article/lesson-plans
https://www.teachingenglish.org.uk/article/speaking-elementary-learners
https://www.teachingenglish.org.uk/article/drilling-1
https://www.teachingenglish.org.uk/article/teaching-speaking-unit-5-techniques