English grammar: five common subject-verb agreement mistakes and corrections
1. ❌ Incorrect: He don't know the answer. ✅ Correct: He doesn't know the answer. 2. ❌ Incorrect: She have completed her work. ✅ Correct: She has completed her work. 3. ❌ Incorrect: I am knowing the truth. ✅ Correct: I know the truth. 4. ❌ Incorrect: They was waiting for us. ✅ Correct: They were waiting for us. 5. ❌ Incorrect: Each of the students have a book. ✅ Correct: Each of the students has a book.