| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun] | 116941 |
|
| 2 | be [art] number | 1884 |
|
| 3 | be [art] number | 1884 |
|
| 4 | be a number | 1443 |
|
| 5 | [be] a number | 1443 |
|
