After reading an article ，I wrote a summaryI wrote a summary on an article that I had read. I wrote a summary on an article that I had read.

The original is understandable but this reads better as the subject of the writing is the summary itself

After reading an article, ，I wrote a summary. After reading an article, I wrote a summary.

After reading an article, ，I wrote a summary. After reading an article, I wrote a summary.

Many Japanese workers only have rest intime off a few days everya year. Many Japanese workers only have time off a few days a year.

Many Japanese workers only have rest intake a holiday for a few days every year. Many Japanese workers only take a holiday for a few days every year.

Normally a holiday refers to an actual trip somewhere, but when talking about work it can mean any kind of break from work (in the UK we say holiday, in US English this would probably be vacation time too)

Many Japanese workers only have rest intake time off a few days every year. Many Japanese workers only take time off a few days every year.

suggestion: Many Japanese workers only take a few days each year.

Many Japanese workers only have rest in avery few days everya year. Many Japanese workers rest very few days a year.

A report said that their averagey have 9 rest days are 9 dayson average even though their employers gaive them 20days to rest days every year. A report said that they have 9 rest days on average even though their employers give them 20 rest days every year.

A report said that their average rest days aredays taken was 9 days even though their employers gaive them 20 days to restholiday every year. A report said that the average days taken was 9 days even though their employers give them 20 days holiday every year.

This might be hard to understand but days taken is past tense but the allowance always exists and so doesn't have to be

A report said that their average rest days are 9 daysnumber of days off is 9 even though their employer gave them 20 days to rest every year. A report said that their average number of days off is 9 even though their employer gave them 20 days every year.

A report said that their average rest days are 9 daysy take an average of 9 vacation days per year, even though their employer gaveallows them 20days to rest every year. A report said that they take an average of 9 vacation days per year, even though their employer allows them 20.

It’s said that lawmakers proposed some new laws in this reportto change this. It said that lawmakers proposed some new laws to change this.

The report is already the subject so don't need to mention it again.

It’s said in this report that lawmakers proposed some new laws in this report. It’s said in this report that lawmakers proposed some new laws.

It’s said that law makers proposed some new laws in this report. It’s said that law makers proposed some new laws in this report.

They saidOne of the laws purposes that workers must take at least 5 days of paid vacation each year. One of the laws purposes that workers must take at least 5 days of paid vacation each year.

The subject has changed again so need to mention it

But people don’t like to take these vacations Bbecause they want to work harder and harder to get more money. But people don’t like to take these vacations because they want to work harder and harder to get more money.

But people don’t like to take these vacations Bbecause they want to work harder and harder to get more money. But people don’t like to take these vacations because they want to work harder and harder to get more money.

Like I said above, you can use either vacation (US) or holiday (UK)

But people don’t like to take these vacation days Bbecause they want to work harder and harder to get more money. But people don’t like to take these vacation days because they want to work harder and harder to get more money.

But, people don’t like to take these vacations Bbecause they want to work harder and harder to get more money. But, people don’t like to take these vacations because they want to work harder and harder to get more money.

In my opinion, the way people think about work will not change in a few yearsfor some time. In my opinion, the way people think about work will not change for some time.

Since this is your opinion, specifying "a few years" sounds unnatural (unless you knew the exact date in the future). Something like "for some time" or "for many years" sounds better.

In my opinion, the way people think about work will not change in just a few years. In my opinion, the way people think about work will not change in just a few years.

In my opinion, the way people think about work will not change in athe next few years., because… In my opinion, the way people think about work will not change in the next few years, because…

Merge this with the next sentence.

Because tThey will always want to earn more money than others so they will always work harder. They will always want to earn more money than others so they will work harder.

Try not to start sentences with "because" or "and". Either join them to the previous sentence or remove the word.

Because they will always want to earn more money than others so they will always work hard., even if… Because they will always want to earn more money than others so they will always work hard, even if…

Merge this with the next sentence.

Because they will always want to earn more money than others so they will always work hard. Because they will always want to earn more money than others.

This sentence can be combined with the previous sentence.

Even the lawmakers told them tohave mentioned the importance of rest. Even lawmakers have mentioned the importance of rest.

I've changed the meaning of this a bit because by suggesting a new law, it's already clear that managers want people to take more breaks

E…even if the lawmakers toldell them to rest. …even if the lawmakers tell them to rest.

Even if the lawmakers told them to rest. Even if the lawmakers told them to rest.

This sentence can be further connected to the previous sentence with a comma. Overall, it would look like "In my opinion, the way people think about work will not change in a few years because they will always want to earn more money than others, even if the law makers told them to rest.