| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is a [noun] [prep] | 19662 |
|
| 2 | still a [noun] [prep] | 467 |
|
| 3 | is still a [noun] | 349 |
|
| 4 | is still [noun] [prep] | 88 |
|
