| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | so [adj] a [noun sg] | 545 |
|
| 2 | so [adv] a [noun sg] | 358 |
|
| 3 | [adj] [adv] a [noun sg] | 319 |
|
| 4 | so [adj] [adv] a | 9 |
|
