| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [adv] | 22043 |
|
| 2 | [prep] be [adv] | 18509 |
|
| 3 | be a [adv] | 15782 |
|
| 4 | [prep] be a | 14045 |
|
