| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] it is that [noun pl] | 10 |
|
| 2 | [Wh adv] it is that [noun pl] | 8 |
|
| 3 | why it is that [noun pl] | 5 |
|
| 4 | why it is that [noun pl] | 5 |
|
