| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [det] [noun] | 369 |
|
| 2 | which is [det] [noun] | 99 |
|
| 3 | which is [vb pp] [noun] | 37 |
|
| 4 | which is [vb pp] [det] | 21 |
|
