Summary of the mistakes for English

When we speak or write English, we often make some mistakes, summary as below:

1. Prep (Preposition)
2. SVA(Subject-Verb Agreement)
3. CS(Comma Splice)
4. FRAG(Fragment)
5. Run-On Sentence
6. Tense
7. Periods/Commas/Caps/Spaces
8. Proper Nouns
9. Spelling