| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] a [noun] [conj] | 1994 |
|
| 2 | it [be] [prep] a [noun] | 1261 |
|
| 3 | [be] [prep] a [noun] [conj] | 746 |
|
| 4 | it [be] [prep] [noun] [conj] | 561 |
|
| 5 | it [prep] a [noun] [conj] | 463 |
|
