| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [conj] a | 9375 |
|
| 2 | [adv] keep a | 353 |
|
| 3 | [adv] [conj] keep | 313 |
|
| 4 | [conj] keep a | 243 |
|
