| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] had been walking [prep] | 10 |
|
| 2 | [pers pn] have been walking for | 9 |
|
| 3 | i have been walking [prep] | 6 |
|
| 4 | they have been walking [prep] | 5 |
|
