| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [vb pp] | 29146 |
|
| 2 | which is [adv] | 6752 |
|
| 3 | which is [vb pp] | 5563 |
|
| 4 | which [adv] [vb pp] | 78 |
|
