| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [conj] [pron] [verb] | 1893 |
|
| 2 | problem [conj] [pron] [verb] | 236 |
|
| 3 | problem [was/were] [conj] [pron] | 72 |
|
| 4 | problem [was/were] [pron] [verb] | 18 |
|
