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

Example Input: He knows that there is no return in his help to others . 
Example Output: He knows that his help of others will not be returned . 

Example Input: Now the market is occupied by lots of cars with varying comforts . 
Example Output: Now , the market is occupied by lots of cars with varying comforts . 

Example Input: Althogh some people say that the treasures are already found . 
Example Output:
Although some people say that the treasures have already been found . 

