| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] or [vb pp] [prep] [art] | 577 |
|
| 2 | is [vb pp] or [vb pp] [prep] | 96 |
|
| 3 | is [vb pp] [vb pp] [prep] [art] | 34 |
|
| 4 | is [vb pp] or [prep] [art] | 8 |
|
