> For the complete documentation index, see [llms.txt](https://docs.wproofreader.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wproofreader.com/features/spell-and-grammar-check/english.md). # English | Type | Erroneous sentence | Correct sentence | General category | | ------------------------------------------------------- | -------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------- | ---------------- | | 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 |