| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [conj] | 1585 |
|
| 2 | it be [that] | 1400 |
|
| 3 | it [be] [that] | 1400 |
|
| 4 | [pron] is [that] | 1319 |
|
| 5 | it [is] [that] | 804 |
|
