Grammar fix
main purpose
most important reason
the most important reason for doing something, or the main goal of something
collocationB1common
Hear it in context
Notice where the phrase sounds natural.
The main purpose of this meeting is to discuss our new project.
In my opinion, the main purpose of education is to help people develop critical thinking skills.
Fix the pattern
One small grammar move makes it sound right.
Not: The main purpose of the trip is for learning.
Say: The main purpose of the trip is to learn.
'The main purpose is TO + verb' (or 'is + noun'), not 'is for + -ing'.
Which sounds natural?
Tap the one a native speaker would say.
'The main purpose is' is the natural set phrase. 'Principal objective of this initiative' is bureaucratic.
Build natural chunks
Words that usually travel with it.
main purpose
- the main purpose is
- serve a purpose
- of the meeting
- defeat the purpose