| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb -s] been clear for | 6 |
|
| 2 | [pers pn] [vb -s] been clear for | 6 |
|
| 3 | [pron] [vb -s] been clear for | 6 |
|
| 4 | it [vb -s] been clear for | 6 |
|
