English
Tenses usage
I am talk to you!
I am talking to you!
Grammar
I saw you tomorrow.
I will see you tomorrow.
Grammar
I already been to this museum.
I have already been to this museum.
Grammar
Irregular verbs
I goed hiking last week and it was amazing.
I went hiking last week and it was amazing.
Grammar
I sleeped very little today.
I slept very little today.
Grammar
Subject-verb agreement
She go to the market every day.
She goes to the market every day.
Grammar
Encyclopedia contain information about many things.
Encyclopedia contains information about many things.
Grammar
My sister and my mother lives in Ukraine.
My sister and my mother live in Ukraine.
Grammar
There are a book on the shelf.
There is a book on the shelf.
Grammar
The United States are big.
The United States is big.
Grammar
Tense consistency
I was eating dinner when he comes in.
I was eating dinner when he came in.
Grammar
When she lived in Spain, she is missing her family a lot.
When she lived in Spain, she missed her family a lot.
Grammar
Preposition usage
I am good in mathematics.
I am good at mathematics.
Grammar
Article usage
She is a honest person.
She is an honest person.
Grammar
Conditional clauses
If I will go to the store, I will buy bread.
If I go to the store, I will buy bread.
Grammar
Double negatives
I don't need no help.
I don't need any help.
Grammar
Verb-agreement error
There is have been many changes recently.
There have been many changes recently.
Grammar
There are have been many changes recently.
There have been many changes recently.
Grammar
Article-noun agreement
A penny a months saves you a lot of money.
A penny a month saves you a lot of money.
Grammar
Pluralization
I have two apple.
I have two apples.
Grammar
Irregular forms of nouns
There are two knifes in the kitchen.
There are two knives in the kitchen.
Grammar
Two deers were seen in the forest.
Two deer were seen in the forest.
Grammar
Quantifier-noun agreement
I met some interesting person at the party.
I met some interesting people at the party.
Grammar
They have a few money this month.
They have a little money this month.
Grammar
Possessive usage
Mr Smith wife loves chocolate.
Mr Smith's wife loves chocolate.
Grammar
The box' lid is broken.
The box's lid is broken.
Grammar
She couldn't make it because of her brothers birthday party.
She couldn't make it because of her brother's birthday party.
Grammar
Hyphenation
She has a ten year old son.
She has a ten-year-old son.
Grammar
Article usage
Let's go on picnic today.
Let's go on a picnic today.
Grammar
He likes a beef.
He likes beef.
Grammar
Personal pronouns
Most monkeys don't like water, but it can swim well when they have to.
Most monkeys don't like water, but they can swim well when they have to.
Grammar
Modal verb forms
I should did my homework last night.
I should have done my homework last night.
Grammar
He cannot do it yesterday.
He couldn't do it yesterday.
Grammar
Used to
I use to be very shy.
I used to be very shy.
Grammar
Passive
The boy helped by John.
The boy was helped by John.
Grammar
The baby born yesterday morning.
The baby was born yesterday morning.
Grammar
Tomas will invited to the party.
Tomas will be invited to the party.
Grammar
Prepositions
She quickly became acquainted to the new software after a few training sessions.
She quickly became acquainted with the new software after a few training sessions.
Grammar
Sometimes technological advancements seem to be divorced with the everyday needs of ordinary people.
Sometimes technological advancements seem to be divorced from the everyday needs of ordinary people.
Grammar
Relative clause
The stranger which helped me find the car was from Japan.
The stranger who helped me find the car was from Japan.
Grammar
My brother who lives in Canada is coming to visit next month.
My brother, who lives in Canada, is coming to visit next month.
Grammar
Adjective clause
Mr Smith the patient from room 101 said he was happy to see his family.
Mr Smith, the patient from room 101, said he was happy to see his family.
Grammar
Gerund usage
Would you mind repeat that?
Would you mind repeating that?
Grammar
I enjoy to have a nice walk with my children.
I enjoy having a nice walk with my children.
Grammar
We talked about to go south for a vacation.
We talked about going south for a vacation.
Grammar
Infinitive usage
I hope seeing you soon.
I hope to see you soon.
Grammar
I was proud seeing you succeed.
I was proud to see you succeed.
Grammar
Homophones
She always wears nice closes to close the deal.
She always wears nice clothes to close the deal.
Grammar
Common misspelling
I recieved your message.
I received your message.
Spelling
Phonetic mispelling
I study siense at university.
I study science at university.
Spelling
Capitalizations
She has been living in london for ages.
She has been living in London for ages.
Spelling
Prefixes confusion
Parking in that area without a permit is considered unlegal and may result in a fine.
Parking in that area without a permit is considered illegal and may result in a fine.
Spelling
American vs. British/Australian/Canadian and vice versa
I love the colour of your dress.
I love the color of your dress.
Spelling
Run-on sentences
I wanted to go to the beach it was such a beautiful day.
I wanted to go to the beach. It was such a beautiful day.
Style
Redundancy
He returned back to the office.
He returned to the office.
Style
Missing comma after intro clause
After the meeting we went for dinner.
After the meeting, we went for dinner.
Punctuation
Quotation marks
I don’t understand she whispered.
"I don’t understand," she whispered.
Punctuation
Missing period
She is my best friend
She is my best friend.
Punctuation
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