| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been walking for | 10 |
|
| 2 | [pers pn] have been walking for | 9 |
|
| 3 | have been walking for [adv] | 6 |
|
| 4 | have been walking for [adv] | 6 |
|
