| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [prep] [adj] | 84547 |
|
| 2 | is [vb pp] [prep] | 70803 |
|
| 3 | is [prep] [adj] | 3449 |
|
| 4 | is [vb pp] [adj] | 1478 |
|
