"Should" is a flexible word. It can mean that something is meant to happen. Ex. "It should rain today." In this sentence, the person looked at a weather forecast and saw that it will most likely rain. Another way to use "Should" is to say "It's necessary". Ex. "It's cold outside! You should wear a hat and gloves" In this sentence, the person is saying that it is necessary for the person to wear a hat and gloves because it is cold outside. In your question, the sentence "He should have a benefit as well." can depend on the context. Maybe he deserves something better for doing so well. In that case, it is necessary. Although, it might also mean that he will most likely benefit. For example, if he does something good, then most likely he will receive a reward. The word "must" in this context only has one meaning. He absolutely has to benefit. There is no option, he must. So really, it all depends on the context! If you want to say that it is necessary that he benefits, use should. If you want to say that he will most likely benefit, use should. Just make sure there is context! If you want to say that he absolutely has to get a raise, then use must. Hopefully this helps!

My night

I had a bad night, one of my daugthers <strike>barfed</strike> threw up at 3 am. She has <strike>been</strike> <strike>feeled</strike> felt bad this week and <strike>barfed</strike> threw up <strike>in</strike> other times. She has <strike>a</strike> trouble <strike>at</strike> <strike>troath</strike> with phlegms in her throat. She <strike>dirtied the bed sheets</strike> threw up on the bed sheets and I need put <strike>this</strike> them in the washer to wash <strike>it</strike> them. I love my daughthers but <strike>this</strike> I don't like these kinds of situations <strike>don't like</strike>.

<strike>somebody can help me</strike> Can somebody help me? I don't know if I used <strike>correctly</strike> the words phlegms, barf, and dirty correctly. I'd like to know how a native speaker would have said <strike>this</strike> these <strike>ideas</strike> things.

Thanks in advance.

"Barf" isn't necessarily wrong, but it isn't really a professional word and it "sounds gross". Usually people would say "throw up". A context where someone would say "barf" might be... "Woah, that girl barfed all over the place! How embarrassing!"

Acquaintance works fine and I think it is still regularly used. Maybe in some places it is outdated? Where I'm from, we use this word a lot!

Hello. I carry on to analyze the situation about how we use software of Microsoft in our company and today I wrote an analysis note to our company management. It’s a boring and is difficult text. I hope I didn’t make a lot of errors.

Coworkers, good afternoon,

In connection with our company, <strike>loses</strike> we lose the partner status of Microsoft company and our company loses rights to use some software of Microsoft. Department Information Technologies made an analysis of the situation, defined and calculated software of Microsoft licenses which our company has to buy.

There is the table in the annex 1. The table has 3 parts.

First. It’s an existing situation. It shows software of Microsoft which our company uses now. The Company has to buy these products to obey the law. It is most expensive and the easiest way. It envisages to buy all licenses of products which the company uses without extra works.

Second. It’s an optimizing case. It shows how we can change using some products to simpler products. The simpler products have less functions but they aren’t business critical <strike>but</strike> and their prices are substantially less. In my opinion this case is more balanced, because it doesn’t break usual environment of workers and its direct cost is significantly less, but it has the minuses. The company management should take into account these minuses:

A) IT specialists of the company have to reinstall some products of Microsoft on a few servers. It can take a month.
B) Also, IT specialists have to reinstall the operating systems and other software on all computers of workers. It can last about couple months.

Third. It is a mixing case. It shows that the company can change some products of Microsoft to alternate software. Alternate software basically means Open Source software. This case is less expensive and more difficult because it makes more difficult environment for workers and IT specialists. The company has to change office package to open source office package also a few computers of the workers have to change their Windows to Linux. It will be a very difficult time until they will be used to it. It can last months. Also, we should take into account that our company has to change one comprehensive solution of exchange emails and collective work to five different ones. It <strike>makes</strike> takes more complex work <strike>for</strike> to support the park of the servers for IT specialists of the company and it requires us to hire more IT specialists.

Overall, good writing! Just note that you would normally say "Microsoft Products" rather than "Products of Microsoft". Same thing goes for almost anything. 

As far as I can see, you are correct in both questions.

Usually we say "I poked my eye". Saying "I have stuck a finger in my eye" sounds very gruesome!

It was an ordinary Tuesday. Ah the one thing was.. it was snowing <strike>from the</strike> this morning. So, I decided to use public transportation. I realised this is a TOTALLY awsome system. There is bus only lane so it's faster than when I drive my own car and I can admire the view and practice speaking English <strike>in</strike> on the bus. So, great.

Before, for some reason, I used to drive everywhere. But especially in Seoul, there <strike>is</strike> are not enough parking <strike>lots</strike> spots. So, sometimes I have to pay <strike>much</strike> lots of money.

I think I'd better often use public transportation <strike>since</strike> after what happened today!

You speak good English! Just make sure to capitalize your pronouns (Days of the week (Tuesday), I not i, English, Countries, Cities, Regions, etc (Seoul)). Also, a parking lot is the entire space where all the cars park. A parking spot is a place in a parking lot where one car parks. Keep practicing. You're doing great!