Looking on the internet deeply has found these results:

My reasons for learning English is that is the most popular phrase on the web.

My reasons for learning English are that 12,410,000,000 results on the web	My reasons for learning English is that 12,610,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It's very useful for learning English. I have my reasons for wanting this job. Now he had a reason for learning variables. I was not honest with Moray about my reasons for leaving France. Can't be the only reason you're learning English, can it? I have my reasons for ending your life. My function, my reason for being. My reasons for this are clear.	My function, my reason for being. It's very useful for learning English. My reasons for this are clear. I have my reasons for wanting this job. I have my reasons for ending your life. Now he had a reason for learning variables. Can't be the only reason you're learning English, can it? Furthermore, there is a growing tendency for "foreign language learning" to mean simply "learning English"; the Commission has already pointed out that "English is not enough" COM(2003)449.'.

My reasons for learning English are that

12,410,000,000 results on the web

My reasons for learning English is that

12,610,000,000 results on the web

More popular!

My function, my reason for being.
It's very useful for learning English.
My reasons for this are clear.
I have my reasons for wanting this job.
I have my reasons for ending your life.
Now he had a reason for learning variables.
Can't be the only reason you're learning English, can it?
Furthermore, there is a growing tendency for "foreign language learning" to mean simply "learning English"; the Commission has already pointed out that "English is not enough" COM(2003)449.'.