Correcting Errors

A comma is needed sometimes after using certain introductory words or phrases. Ex. On the other hand there were no more carrots left either. On the other hand, there were no more carrots left either.

More clarification is needed when he, she, it, etc. is used. Ex. Airport taxiways are often filled with airplanes, causing traffic jams on them. Airport taxiways are often filled with airplanes, causing traffic jams on the taxiways.

A comma is missing from a sentence linked by words such as ‘and’. Ex. He was a very big man and he had large feet too. He was a very big man, and he had large feet too.
A wrong word is used. Ex. With this new invention, I’ll become infamous! With this new invention, I’ll become famous!

A comma is missing a part of the sentence that isn’t necessary. Ex. I was forced to walk home after tennis practice when it began to rain. I was forced to walk home after tennis practice, when it began to rain.

The wrong tense is illustrated, caused by a wrong or missing verb ending. Ex. I had to go there in one hour. I have to go there in one hour.
Something is referred to with the wrong preposition. Ex. I found him on the diner, after which I brought him home on the car. I found him in the diner, after which I brought him home in the car.
A comma is missing that links two halves of sentences together. Ex. He was upset about the grade he received a B-. He was upset about the grade, he received a B-.

The apostrophe that shows possession is either in the wrong place, or doesn’t exist at all. Ex. The dogs name was Mickey McGregor Silvercloud. The dog’s name was Mickey McGregor Silvercloud.
A shift in the tense is unnecessary in this situation. Ex. John giggles until he fell out of his chair. John giggles until he falls out of his chair.

When the pronoun changes, not matching the other, later in the sentence. Ex. By my having come here, it has been consoling to one’s heart. By my having come here, it has been consoling to my heart.

The proposed sentence is a fragment. Ex. Tore up the garage. The car crash tore up the garage.
The sentence’s tense/verb form doesn’t agree with the rest of the sentence. Ex. The dog be sniffing at the bush. The dog was sniffing at the bush.

The verb must agree with the subject in the sentence. Ex. Some of the most exciting times of my life has been on a boat. Some of the most exciting times of my life have been on a boat.

A comma is needed after each item in a list of 3 or more items. Ex. A simple salad consists of lettuce, tomatoes and cucumbers. A simple salad consists of lettuce, tomatoes, and cucumbers.
The pronoun and antecedent do not agree. Ex. Both of the children adapted well in their new environment. Both of the children adapted well in its new environment.

A clause that is essential, doesn’t always require commas. Ex. He wanted to read, by checking out a book, at the local library. He wanted to read by checking out a book at the local library.
Two sentences are fused in one. Ex. I love to watch tennis matches I love to play tennis too. I love to watch tennis matches. I love to play tennis too.

The modifier is in the wrong place, or dangling, causing the meaning of the sentence to become confusing. Ex. It was possible to record the tennis match with a camcorder. With a camcorder, it was possible to record the tennis match.

It’s is only to be used to mean ‘it is’, or ‘it has’. Its is meant for belonging to. Ex. Its only a game. It’s only a game.