Their are three kids in the room.

We have been married for 20 years, and are relationship is as strong as ever.

I’m having trouble with my car. Can you give me some advise?

The diplomats are doing what they can to restore peace.

I know it is important, so I will defiantly be there on time.

I never knew that the new employee knows the manager’s son.

I cannot find my keys. I hope I did not loose them.

I should of written down where I last put them.

They’re absolutely right.

I don’t want to buy that. It’s to expensive.

Its hot out today.

I love my car. It’s interior is so comfortable.

The movie was so boring that I didn’t know if I could make it threw to the end.

Your welcome. I was happy to help.

An evening out can be a great way to clear one’s mind.

I assume you're supposed to correct the incorrect words.

If you post YOUR corrections, we'll be glad to check them for you.

Here are the first two:

There are three kids in the room.

We have been married for 20 years, and our relationship is as strong as ever.

Thanks you Ms.Sue I am making some corrections am I on the right track.

We have been married for 20 years, and are(our) relationship is as strong as ever.

I’m(I’am) having trouble with my car. Can you give me some advise?

The diplomats, are doing what they can to restore peace.

I know it is important, so I will defiantly(definitely) be there on time.

I never knew that the new employee knows the manager’s son.

I cannot find my keys. I hope I did not loose (lose) them.

I should of written(wrote) down, where I last put them.

They’re absolutely right.

I don’t (do not) want to buy that. It’s to expensive.

Its(It’s) hot out today.

I love my car. It’s interior is so comfortable.

The movie was so boring that I didn’t know if I could make it threw(through) to the end.

Your welcome. I was happy to help.

An evening out can be a great way to clear one’s mind.

We have been married for 20 years, and are(our) relationship is as strong as ever. Right

I’m(I’am) having trouble with my car. Can you give me some advise? Wrong

The diplomats, are doing what they can to restore peace. Wrong

I know it is important, so I will defiantly(definitely) be there on time. Right

I never knew that the new employee knows the manager’s son. Right

I cannot find my keys. I hope I did not loose (lose) them. Right

I should of written(wrote) down, where I last put them. Wrong

They’re absolutely right. Right

I don’t (do not) want to buy that. It’s to expensive. Wrong

Its(It’s) hot out today. Right

_______________________

I'll be glad to check your last four.

One hint -- you didn't need to correct the contractions of "I'm" and "don't."

Their(There) are three kids in the room.(?)

We have been married for 20 years, and are(our) relationship is as strong as ever.

I’m having trouble with my car. Can you give me some advise(advice)?

The diplomats(Diplomats), are doing what they can to restore peace.

I know it is important, so I will defiantly(definitely) be there on time.

I never knew that the new employee knows the manager’s son.

I cannot find my keys. I hope I did not loose (lose) them.

I should of (have) written down, where I last put them.

They’re absolutely right.

I don’t want to buy that. It’s to expensive.

Its(It’s) hot out today.

I love my car. It’s interior is comfortable.

The movie was so boring(boring,) that I didn’t know if I could make it threw(through) to the end.

Your welcome. I was happy to help.

An evening out(out,) can be a great way to clear one’s mind.

These are still wrong.

The diplomats(Diplomats), are doing what they can to restore peace. What is the purpose of the comma?

I don’t want to buy that. It’s to expensive.

I love my car. It’s interior is comfortable.

Your welcome. I was happy to help.

An evening out(out,) can be a great way to clear one’s mind. (comma?

I don’t want to buy that.(that,) It’s to(too) expensive.

Your welcome.(welcome,) I was happy to help.

An evening out(out,) can be a great way to clear one’s mind.(?)

I love my car.(car,) It’s interior is so comfortable.

I don't want to buy that. It's too expensive.

You're welcome. I was happy to help.

There was no error in the original sentence.

I love my car. Its interior is so comfortable.

Note:
you're = you are. You're welcome.

It's = contraction: it is.
its = the possessive form


http://www.enchantedlearning.com/grammar/contractions/