| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | while [verb] [pron] [prep] a [noun sg] | 5 |
|
| 2 | while [v-ing] [pron] [prep] a [noun sg] | 5 |
|
| 3 | while [verb] [pron] [prep] a [noun sg] | 5 |
|
