To see the basketball match is my purpose of coming here.
To see the basketball match is my purpose for coming here.

To keep my body healthy is my purpose of doing exercise.
To keep my body healthy is my purpose for doing exercise.

To make more money is he purpose of going abroad.
To make more money is he purpose for going abroad.

Which one is correct?

Question

To see the basketball match is my purpose of coming here.
To see the basketball match is my purpose for coming here.

To keep my body healthy is my purpose of doing exercise.
To keep my body healthy is my purpose for doing exercise.

To make more money is he purpose of going abroad.
To make more money is he purpose for going abroad.

Which one is correct?

Answer

In each set of sentences, the second option is more grammatically correct:

"To see the basketball match is my purpose for coming here."
"To keep my body healthy is my purpose for doing exercise."
"To make more money is his purpose for going abroad."
In each case, using "for" is more natural and idiomatic when expressing the purpose of an action. Also, there was a typo in the third set of sentences; it should be "his" instead of "he."

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