| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [prep] | 171100 |
|
| 2 | [verb] [prep] several | 2373 |
|
| 3 | [was/were] [verb] several | 112 |
|
| 4 | [was/were] [prep] several | 9 |
|
