| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [det] [noun] | 7524 |
|
| 2 | it [was/were] [noun] | 6932 |
|
| 3 | it [was/were] [det] | 3197 |
|
| 4 | it [det] [noun] | 1990 |
|
