| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is so [adj] | 110 |
|
| 2 | which is so important | 10 |
|
| 3 | which is so important | 10 |
|
| 4 | which is so essential | 6 |
|
| 5 | which is so essential | 6 |
|
