| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] it is [adv] [vb pp] | 815 |
|
| 2 | [subord] it is [adv] [vb pp] | 609 |
|
| 3 | it is [adv] [adv] [vb pp] | 509 |
|
| 4 | [subord] it is [adv] [adv] | 320 |
|
| 5 | [subord] is [adv] [adv] [vb pp] | 20 |
|
