| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] that [indef pn] had to be | 7 |
|
| 2 | [vb past] that [indef pn] had [prep] be | 7 |
|
| 3 | [vb past] that something had [prep] be | 6 |
|
