| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [prep] | 171100 |
|
| 2 | not [verb] [prep] | 53461 |
|
| 3 | [was/were] not [verb] | 13672 |
|
| 4 | [was/were] not [prep] | 4706 |
|
