| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [adv] [vb pp] [conj] | 750 |
|
| 2 | which is [adv] [adv] [vb pp] | 294 |
|
| 3 | which is [adv] [vb pp] [conj] | 121 |
|
| 4 | which is [adv] [adv] [conj] | 31 |
|
