| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [prep] [art] | 118164 |
|
| 2 | while [v-ing] [art] | 1381 |
|
| 3 | while [prep] [art] | 1219 |
|
| 4 | while [v-ing] [prep] | 1190 |
|
