| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which had been so [adv] | 10 |
|
| 2 | which had be so [adv] | 10 |
|
| 3 | which had [be] so [adv] | 10 |
|
| 4 | which had [be] so [adv] | 10 |
|
| 5 | which had [been] so [adv] | 10 |
|
