| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [adv] [verb] | 3981 |
|
| 2 | but it [was/were] [adv] | 1500 |
|
| 3 | but it [adv] [verb] | 1271 |
|
| 4 | but it [was/were] [verb] | 533 |
|
| 5 | but [was/were] [adv] [verb] | 396 |
|
