| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [vb pp] that | 1240 |
|
| 2 | it is [vb pp] that a | 242 |
|
| 3 | is [adv] [vb pp] that a | 76 |
|
| 4 | it is [adv] that a | 18 |
|
| 5 | it is [adv] [vb pp] a | 15 |
|
