Grammatically, i don't know that it is perfect sentence.
So, please help me it is perfect sentance grammatically.

1. Many pots are placed between wall and table.

2. One of the man is watching them while finishing a conversation.

Thank you for reading my sentences.

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Hello Hocheol!

Of course, I can proofread for you! I'm happy to help! Below, I've copied and pasted your entire message and made changes which are highlighted so that you can compare the differences. Let me know during class if you have any questions.

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Grammatically, I don't know what makes a perfect sentence.
So, please help me make a grammatically perfect sentence.

1. Many pots are placed between the wall and the table. 

[TIP: you can also say - Many pots are placed between the wall and table. ]

2. One of the men is watching them while finishing a conversation.

[TIP: Grammatically, the sentence above is correct but it is a little confusing. You could say - One of the men was watching them while they finished a conversation.

                                                                                                                                  OR            One of the men was watching them finish a conversation. ]

Let me know if you have any questions! Thank you!

~India M.