| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had been walking [adv] | 7 |
|
| 2 | [pers pn] had been walking [adv] | 6 |
|
| 3 | had been walking [adv] [prep] | 5 |
|
| 4 | had been walking [adv] [prep] | 5 |
|
