| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [vb pp] [prep] [art] | 30039 |
|
| 2 | [vb pp] or [prep] [art] | 58 |
|
| 3 | is [vb pp] or [art] | 52 |
|
| 4 | is [vb pp] or [prep] | 24 |
|
