| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] been so [adv] since | 6 |
|
| 2 | [pers pn] [verb] been so [adv] since | 6 |
|
| 3 | [pers pn] have been so [adv] since | 6 |
|
| 4 | [pers pn] [verb] been so long since | 5 |
|
