| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] | 3866 |
|
| 2 | which is [adv] [vb pp] | 1485 |
|
| 3 | which it is [vb pp] | 616 |
|
| 4 | which it is [adv] | 152 |
|
