| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] [to-vb] [conj] | 5458 |
|
| 2 | [vb pp] is [conj] | 557 |
|
| 3 | [to-vb] is [conj] | 461 |
|
| 4 | [vb pp] [to-vb] is | 217 |
|
