| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [adv] | 36643 |
|
| 2 | it [was/were] [adv] | 24360 |
|
| 3 | it [be] therefore | 922 |
|
| 4 | [pron] [was/were] therefore | 302 |
|
| 5 | [pers pn] [was/were] therefore | 249 |
|
| 6 | it [was/were] therefore | 152 |
|
| 7 | it [was/were] therefore | 152 |
|
