He is learning English
I saw him learning English.
Learning is fun.
Learning English is fun
Learning a course in English is useful
In sentence 1, learning is the main verb. some call it present participle.
In sentence 2, learning is present participle.
In sentence 3, learning is a gerund .
In sentence 4, learning English is the subject and learning is modifying the noun English. So is learning an adjective here?
In sentence 5, “learning a course in English” is the subject.
What is learning here? Is it a gerund?.
Some linguists say it is better to call them ingforms to avoid the confusion.
I may sound naive but I hope I will get answers to my question.