"Matching up singular or plural subjects with singular or plural forms of a verb is part of the process called agreement. This is easy in simple sentences:

He admits that he is worried. [singular subject and verb]
They admit that they are worried. [plural subject and verb]

But there are some cases where the grammar is not so straightforward."

To read more about subject verb agreement from Oxford Dictionaries.com click here.

[Excerpt below taken from article entitled "Top 12 English Grammar Tips for Mastering the Language" by Katyaryabova]

Grammar.

Say this word out loud and at least one English student in the room will tremble!

Let’s face it: studying English grammar isn’t always fun. It can be complex, difficult and sometimes even boring.

Yet, we all keep learning and practicing the English grammar rules. Why? Because grammar knowledge is essential for communicating in English.

Proper English grammar is one of the foundations of language proficiency. It’s necessary for your writing, speaking and comprehension.

But here’s the good news: mastering English grammar isn’t impossible.

In fact, with a few essential grammar tips, you can overcome many of the obstacles that English learners face.
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In this post, we’ll explore our top 12 tips for understanding English grammar and avoiding common mistakes. You’ll come out on top in the trickiest situations!

To see these 12 tips, click here! 

Do you ever get confused about when to use there, their or they're? What's the difference between these words? 

• There means the opposite of here; “at that place.”
• Their means “belongs to them.”
• They’re is a contraction of “they are” or “they were.”

There, their, and they’re are the big trio of commonly confused words. All three of them are pronounced the same, and the spelling differences don’t seem to do a good job of stopping people from mixing them up.

To read more about how and when to use of these words, go to Grammarly.com by clicking here.

To practice using these words correctly, click on the links below:

• Practice 1
• Practice 2
• Practice 3

Here's a video that you might find helpful. 
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Apostrophes are used to show possession. However, you do not use an apostrophe after a possessive pronoun such as my, mine, our, ours, his, hers, its, their, or theirs. For example:

• Incorrect: My mothers cabin is next to his' cabin.
• Correct: My mother's cabin is next to his cabin.

In the case of it's, the apostrophe is used only to indicate a contraction for it is. For example:

• Incorrect: Its a cold day for October.
• Correct: It's a cold day for October.

Read more at http://grammar.yourdictionary.com/grammar-rules-and-tips/5-most-common.html#FVgk9FeOQezHUWZP.99

Want to improve your writing? Well, there are some common errors that you might want to look for as your revise and edit your writing. Here's the first one:  

Error #1: Run-on Sentence or Comma Splice
A run-on sentence is a sentence that joins two independent clauses without punctuation or the appropriate conjunction. A comma splice is similar to a run-on sentence, but it uses a comma to join two clauses that have no appropriate conjunction.
Fixing a run-on sentence or a comma splice can be accomplished in one of five different ways:

• Separate the clauses into two sentences.
• Replace the comma with a semi-colon.
• Replace the comma with a coordinating conjunction--and, but, for, yet, nor, so, or.
• Replace the comma with a subordinating conjunction--after, although, before, unless, as, because, even though, if, since, until, when, while.
• Replace the comma with a semi-colon and transitional word--however, moreover, on the other hand, nevertheless, instead, also, therefore, consequently, otherwise, as a result.

For example:

• Incorrect: Rachel is very smart, she began reading when she was three years old.
• Correct: Rachel is very smart. She began reading when she was three years old.
• Correct: Rachel is very smart; she began reading when she was three years old.
• Correct: Rachel is very smart, for she began reading when she was three years old.
• Correct: Because Rachel is very smart, she began reading when she was three years old.
• Correct: Rachel is very smart; as a result, she began reading when she was three years old.

Read more at http://grammar.yourdictionary.com/grammar-rules-and-tips/5-most-common.html#o5Fs1qJqOhAfoKRB.99

Do I use a singular or a plural verb with a collective noun? And what about when I want to use a pronoun to represent a collective noun? Do I use a singular or plural pronoun?

Well, first of all, let's consider what a collective noun is. It is a noun that represents a group or a collection of things. Words like police, family, government, and committee are some examples. When using collective nouns, it is important to think about whether they require a singular or plural verb. It also important to use a correct pronoun when substituting for a collective pronoun. 

Here are two examples:
      My class always listens to its teacher during the day.
Class is singular here, so I need to use the singular possessive pronoun (its).

     My class always turn in their assignments on time.
In this instance, class is plural and I need to use a plural verb.

How do you know the difference?  It all depends on whether the group is acting as one or as individuals.

To learn more about Collective Nouns , click here.