| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be a [noun] [pron] | 1494 |
|
| 2 | it be [art] [noun] which | 793 |
|
| 3 | [pron] be a [noun] which | 779 |
|
| 4 | it be a [noun] [Wh det] | 605 |
|
| 5 | it [be] a [noun] which | 581 |
|
| 6 | it be a [noun] which | 581 |
|
