| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [verb] [to-vb] [adv prt] | 1580 |
|
| 2 | it [was/were] [verb] [to-vb] | 1272 |
|
| 3 | it [was/were] [verb] [adv prt] | 1046 |
|
| 4 | it [verb] [to-vb] [adv prt] | 319 |
|
| 5 | it [was/were] [to-vb] [adv prt] | 34 |
|
