Here are the correct sentences in simple present:
- People work a lot during the day.
- During the day, people work a lot.
- A lot of work is done by people during the day.
- During the day, a lot of work is done by people.
- A lot of people work during the day.
The word "during" is a preposition that indicates the time during which something happens. In this case, the time is "the day." The word "work" is a verb that means to do something that requires effort. The word "people" is a noun that refers to a group of human beings.When these words are put together, they form sentences that tell us that people work a lot during the day. This is a general statement that is true for most people. There are some people who do not work during the day, such as children and retirees. However, for most people, work is a major part of their day.