| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | about [pron] [conj] | 2093 |
|
| 2 | [pron] [conj] [subord] | 1845 |
|
| 3 | about [pron] [subord] | 621 |
|
| 4 | about [conj] [subord] | 16 |
|
