| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [noun] | 6933 |
|
| 2 | it [was/were] [to-vb] | 851 |
|
| 3 | [was/were] [noun] [to-vb] | 643 |
|
| 4 | it [noun] [to-vb] | 34 |
|
