| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] a | 1837 |
|
| 2 | it is [adv] [that] | 351 |
|
| 3 | is [adv] [that] a | 26 |
|
| 4 | it is [that] a | 26 |
|
