| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [vb pp] [that] [noun] | 1312 |
|
| 2 | it [is] [verb] [that] [noun] | 574 |
|
| 3 | it [is] [vb pp] [conj] [noun] | 566 |
|
| 4 | [pron] [is] [vb pp] [that] [noun] | 551 |
|
