1. We note that you are requesting that basins stand in groups of ten.
2.These reports speak for the truth.
2. These reports speak the truth.
3.I confirm you to commence your duties on October 1st.
3. I confirm that your duties will commence on October 1st.
4.The progress of the project is late as know.
I don't understand this sentence. Did you intend to use the word 'know' or 'now'? It could be corrected as:
4. The project is now behind schedule.
4. The project is running late, as you know.
5.Could you inform me the information with regard to your question for the estimate.?
5. Can you provide me with more information regarding your request for an estimate?
6.William more needs to be careful not to be late for work.
6. William needs to be more careful not to arrive late for work.
7.'I want to give William a word of caution about always late for work."
7. I'd like to caution William about always being late for work.