Common mistakes are mistakes that even native speakers make on a regular basis. You should learn the list below as a starting point to practice not making these common mistakes in the future.
Common Mistakes in English
Incorrect: I am much happy to see you.
Correct: I am very happy to see you.
Incorrect: She plays tennis good.
Correct: She plays tennis well.
Incorrect: I felt so lonely.
Correct: I felt very lonely.
Incorrect: The house is enough spacious for me.
Correct: The house is spacious enough for me.
Incorrect: Mark told the story in details.
Correct: Mark told the story in detail.
Incorrect: She sang sweet.
Correct: She sang sweety.
Incorrect: He does not know nothing about this matter.
Correct: He does not know anything about this matter.
Incorrect: She was very foolish enough to trust him.
Correct: She was so foolish to trust him.
Learn more with a big list of homonyms in English.