| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] on [adj] [noun pl] | 230 |
|
| 2 | it is [vb pp] on [adj] | 56 |
|
| 3 | it is [vb pp] [adj] [noun pl] | 21 |
|
| 4 | it is [vb pp] on [noun pl] | 17 |
|
| 5 | it is on [adj] [noun pl] | 17 |
|
