TASK DEFINITION: In this task, you will be shown an incorrect English sentence. You need to generate a corrected form of the input sentence.
PROBLEM: For example they can play football whenever they want but the olders can not .

SOLUTION: For example , they can play football whenever they want , but the elders cannot .

PROBLEM: But if he did one machine like that , if he want , he can do another different , but he does n't think that , because he does n't know his own habilities .

SOLUTION: But if he did one machine like that , if he wanted , he can do another different , but he does n't think that , because he does n't know his own habilities .

PROBLEM: Moreover they have to learn aboue advance course material .

SOLUTION:
Moreover , they will have to learn advanced course material .