| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which is [vb pp] [adv] | 370 |
|
| 2 | [det] is [vb pp] [adv] | 304 |
|
| 3 | [det] which is [vb pp] | 86 |
|
| 4 | [det] which is [adv] | 67 |
|
