| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [v-ing] to [art] | 1247 |
|
| 2 | while [adv] [v-ing] [art] | 164 |
|
| 3 | while [v-ing] to [art] | 29 |
|
| 4 | while [adv] [v-ing] to | 13 |
|
