| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [noun] [to-vb] [pers pn] | 74 |
|
| 2 | [be] a mistake [to-vb] [pers pn] | 18 |
|
| 3 | [be] a mistake [to-vb] [pron] | 10 |
|
| 4 | [be] a mistake [verb] [pers pn] | 9 |
|
| 5 | [be] [art] mistake [to-vb] [pers pn] | 8 |
|
