Answer:
Formal language
Informal language
When you are communicating with someone that you don’t know very well
Situations that are more relaxed and that involve people that you know well or know each other well
Business emails
Some business correspondence
Academic writing/ articles
In everyday conversations
Professional academic situations
Personal emails
Presentations
Social media
Reports
Advertising
Public tenders
Spontaneous speech
Official documents
Text messages
Talking to superiors
Talking to peers
Legal documents
Some meeting minutes
Public speaking (speeches, lectures, etc)
Networking or socialising with clients
Job interviews
Team meetings
Step-by-step explanation:
informal is with friends or family or someone you know
personally
formal is with people who you know
personally like office or school etc.