| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [vb pp] at [noun] | 769 |
|
| 2 | it [is] [vb pp] [noun] | 380 |
|
| 3 | it [is] [vb pp] at | 230 |
|
| 4 | it [is] at [noun] | 122 |
|
| 5 | it [vb pp] at [noun] | 6 |
|
