| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [prep] a [noun sg] | 2605 |
|
| 2 | was [not/n't] a [noun sg] | 2009 |
|
| 3 | [not/n't] [prep] a [noun sg] | 1292 |
|
| 4 | was [not/n't] [prep] [noun sg] | 542 |
|
| 5 | was [not/n't] [prep] a | 153 |
|
