Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Error categories and their distributions.
| Error categories | Frequency (%) |
| Word sense | 40 |
| Word order | 22 |
| Missing word | 16 |
| Superfluous word | 14 |
| Other grammar error | 3 |
| Orthography/punctuation | 3 |
| Particle error | 1 |
| Untranslated word | 0.03 |
| Pragmatic error | 0.01 |
