| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [v-ing] [art] | 19097 |
|
| 2 | while [v-ing] [art] | 1381 |
|
| 3 | while [adv] [v-ing] | 597 |
|
| 4 | while [adv] [art] | 137 |
|
