I don’t quite understand what you mean by your question but I am guessing you are asking for sentences for each word. Hope this helps.
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Valid- There is not a valid excuse for the stunt she pulled.
Formulate- The two boys went on their way, trying to formulate an apology for the other, so that when they see each other the next day they could make amends.
Logical- It is in your best interest to think like a logical human being in these types of situations.
I don't see anything wrong with it. I think it is well written.
Answer:
it is very simple but very important
1 they do not make spelling mistakes...
2 they have a strong grammar concept...
3 they stay away from plagiarism
4 they try to summarize whole topic to make it easy to understand
5 they try to write different topics in comparison...
Explanation:
O>O