| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] that | 1169 |
|
| 2 | it is [vb pp] that [subord] | 88 |
|
| 3 | it is [adv] [vb pp] [subord] | 66 |
|
| 4 | is [adv] [vb pp] that [subord] | 42 |
|
| 5 | it is [adv] that [subord] | 8 |
|
