| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh adv] it is that | 82 |
|
| 2 | why it is that | 47 |
|
| 3 | why it is that | 47 |
|
| 4 | [adv] it is that | 31 |
|
| 5 | how it is that | 29 |
|
| 6 | how it is that | 29 |
|
| 7 | so it is that | 14 |
|
| 8 | so it is that | 14 |
|
| 9 | thus it is that | 10 |
|
| 10 | thus it is that | 10 |
|
