| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [prep] a | 31981 |
|
| 2 | do [pron] [prep] | 6336 |
|
| 3 | do [prep] a | 1919 |
|
| 4 | do [pron] a | 520 |
|
