| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] [prep] [adj] [noun] | 2680 |
|
| 2 | it [be] [prep] [det] [noun] | 1804 |
|
| 3 | [pron] [be] [prep] that [noun] | 560 |
|
| 4 | it [be] [prep] that [noun] | 252 |
|
