| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it was [det] a [noun] | 154 |
|
| 2 | it was [det] a [noun sg] | 153 |
|
| 3 | it [be] [det] a mistake | 15 |
|
| 4 | it be [det] a mistake | 15 |
|
| 5 | [pron] was [det] a mistake | 10 |
|
| 6 | [pers pn] was [det] a mistake | 10 |
|
| 7 | it was [det] a mistake | 10 |
|
| 8 | it was [adj] a mistake | 10 |
|
| 9 | it was [det] [art] mistake | 10 |
|
| 10 | it was [det] [art] mistake | 10 |
|
| 11 | it [was/were] [det] a mistake | 10 |
|
| 12 | it was [det] a mistake | 10 |
|
| 13 | it was [det] a mistake | 10 |
|
