| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adj] a [noun] | 624 |
|
| 2 | so [adj] a [noun] | 549 |
|
| 3 | is so [adj] [noun] | 114 |
|
| 4 | is so [adj] a | 25 |
|
