| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [was/were] [prep] [noun] | 215 |
|
| 2 | [was/were] [n mass] [prep] [noun] | 135 |
|
| 3 | [ex0] [was/were] [n mass] [prep] | 51 |
|
| 4 | [ex0] [was/were] [n mass] [noun] | 11 |
|
