gerund
Hello!
Please I want know more explanation about gerund used in a phrase. For example, what are the differences between "solving problem" and "problem solving"? What are their meanings.
Thank you
1 answer 
When you use using the to solve in the continuous tense, you need an object (a problem).
For example:
Right now, he is solving a problem.
When you are talking about the act of solving problems, it is a noun --- "problem solving" you write it as such, a noun.
For example:
He is good at problem solving.
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answered Dec 12 '11 at 22:23
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