| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while [v-ing] the | 918 |
|
| 2 | [vb -s] [v-ing] the | 651 |
|
| 3 | [vb -s] while [v-ing] | 42 |
|
| 4 | [vb -s] while the | 29 |
|
