| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [be] a [noun] | 19886 |
|
| 2 | [be] for a [noun] | 421 |
|
| 3 | it for a [noun] | 420 |
|
| 4 | it [be] for [noun] | 315 |
|
| 5 | it [be] for a | 116 |
|
