| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [vb pp] | 4742 |
|
| 2 | [conj] it is therefore | 112 |
|
| 3 | it is therefore [vb pp] | 45 |
|
| 4 | [conj] is therefore [vb pp] | 20 |
|
