| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be therefore [vb pp] that | 36 |
|
| 2 | [pers pn] is therefore [vb pp] that | 23 |
|
| 3 | [pers pn] was therefore [vb pp] that | 13 |
|
| 4 | [pers pn] be therefore recommended that | 9 |
|
