In this task, you will be shown an incorrect English sentence. You need to generate a corrected form of the input sentence.

Example input: The car's wheel are loose.
Example output: The car's wheel is loose.
Example explanation: The instance of are is replaced by the word is. This makes the sentence grammatically correct.
Q: successful therapist need to know that one treatment can help one person but for another could be not approprite . 
A:
Successful therapists need to know that one treatment may help one patient , but may not be appropriate for another patient . 