| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [that] [prep] | 57 |
|
| 2 | it [be] [that] [prep] | 57 |
|
| 3 | it [be] [conj] at | 14 |
|
| 4 | [pron] [be] [that] at | 9 |
|
| 5 | it [be] [that] at | 7 |
|
