The or no the Hi everyone, Would you tell me which of the following sentences is correct in terms of the use of "the"? A He is sometimes lazy during cleaning time every Friday of the week. So, the workplace is often messy before cleaning day. B He is sometimes lazy during the cleaning time every Friday of the week. So, the workplace is often messy before the cleaning day.

Moreover, preventive maintenance can also be achieved. Hi everyone, Does the following sentence sound natural and colloquial? Moreover, preventive maintenance can also be achieved. *I have to use "preventive maintenance" in the sentence. Thank you in advance!

cleaned or have cleaned Hi everyone, Would you tell me if my following understanding is correct or not? Correct: A He has cleaned his shoes. They are beautiful now. B He cleaned his shoes. They are beautiful now. C He cleaned his shoes. But they are already dirty again. Wrong: D He has cleaned his shoes. But they are already dirty again. Thank you in advance!

person in charge Hi everyone, Is the expression "person in charge" used only for people at managerial positions? Or, do you say it to someone who is an operator for a machine or something like that?

Dose "sense of improvement" make sense? Hi everyone, Could you tell me if "sense of improvement" makes sense? For example, can I say it in the following context? He has a high sense of improvement to the system. He always tries to make the system more advanced to achieve better results. Thank you so much in advance!

Professional sentence: corporate brand Hi everyone,

Does the following sentence, which will be the webpage title of a new corporate brand, sound professional?

We, Ryo Corporation, have established our new corporate brand

Or, should the title be something simple like this?

Our new corporate brand

Thank you for your time!

Could saying "can I help you" be offensive? Hi everyone,

If somebody looks like lost and I ask him "can I help you", does it sound rude or offensive? Rather, should I say "are you lost" or something?

Thank you in advance!

Ryo

Hello/Hi Hi everyone,

If you say "hello" to someone, is it better or more natural for the person to say "hi" back to you rather than saying "hello"?

Thank you!

Ryo

Be going / be going to go to / 'll go to / will go to Hi everyone, Regarding the difference in meaning between the following sentences, would you explain to me if my understanding below is correct? A I'm going to the party this weekend. B I'm going to (gonna) go to the party this weekend. C I'll go to the party this weekend. D I will go to the party this weekend. My understanding: A I already decided to go to the party. B I think I'll go to the party, but I haven't decided. C Same meaning as A. D I'm very determined to go to the party. Thank you so much for your time!