| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is [vb pp] by certain | 11 |
|
| 2 | [noun sg] is [vb pp] by certain | 11 |
|
| 3 | is [vb pp] by certain [noun] | 15 |
|
| 4 | is [vb pp] by certain [noun pl] | 13 |
|
