| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] for [det] [noun] | 199 |
|
| 2 | which is [vb pp] for [noun] | 51 |
|
| 3 | which is [vb pp] [det] [noun] | 15 |
|
| 4 | which is [vb pp] for [det] | 11 |
|
