| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] is [vb pp] [prep] a | 5691 |
|
| 2 | it is [vb pp] [prep] a | 642 |
|
| 3 | [noun] it is [vb pp] [prep] | 254 |
|
| 4 | [noun] it is [prep] a | 14 |
|
| 5 | [noun] it is [vb pp] a | 6 |
|
