| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [vb pp] [adv] [prep] | 15404 |
|
| 2 | it [was/were] [vb pp] [prep] | 7061 |
|
| 3 | it [was/were] [adv] [prep] | 3562 |
|
| 4 | it [was/were] [vb pp] [adv] | 1993 |
|
| 5 | it [vb pp] [adv] [prep] | 117 |
|
