| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been walking [adv] [prep] | 9 |
|
| 2 | [pron] had been walking [adv] [prep] | 7 |
|
| 3 | [pron] have been walking [adv] [prep] | 5 |
|
| 4 | [pron] have been walking [adv prt] [prep] | 5 |
|
