| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [was/were] a [noun] | 587 |
|
| 2 | that [was/were] a [noun sg] | 567 |
|
| 3 | [adj] [was/were] a mistake | 29 |
|
| 4 | that [be] a mistake | 24 |
|
| 5 | that [was/were] a mistake | 17 |
|
| 6 | that [was/were] a mistake | 17 |
|
| 7 | that [was/were] [art] mistake | 17 |
|
| 8 | that [was/were] [art] mistake | 17 |
|
