Learn English – May Not Vs May Not Be Able To

periphrastic-modals

For example:

  1. His method may not solve the problem

vs

  1. His method may not be able to solve the problem

Do both sentences have the same meaning?

Best Answer

His method may not solve the problem.

He may not be able to solve the problem.

To avoid grammar problems, it is best to use /be able/ for people.

People are able to do this or that.

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