| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] at [adj] [noun pl] | 122 |
|
| 2 | it is [vb pp] at [adj] | 52 |
|
| 3 | it is [vb pp] [adj] [noun pl] | 21 |
|
| 4 | it is at [adj] [noun pl] | 18 |
|
