| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be therefore | 922 |
|
| 2 | it [is] therefore | 770 |
|
| 3 | it is therefore | 755 |
|
| 4 | it [was/were] therefore | 152 |
|
| 5 | it was therefore | 152 |
|
| 6 | it 's therefore | 15 |
|
