| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] [noun] | 16453 |
|
| 2 | who is [vb pp] [prep] | 544 |
|
| 3 | who is [prep] [noun] | 191 |
|
| 4 | who is [vb pp] [noun] | 10 |
|
