| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [modal v] [be] a [noun] | 1539 |
|
| 2 | [modal v] only [be] a [noun] | 108 |
|
| 3 | it [modal v] only [be] a | 71 |
|
| 4 | it [modal v] only [be] [noun] | 23 |
|
