| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] they [prep] [art] | 1436 |
|
| 2 | while [v-ing] [prep] [art] | 518 |
|
| 3 | while [v-ing] they [prep] | 13 |
|
| 4 | while [v-ing] they [art] | 5 |
|
