| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] it [vb mod] to be | 37 |
|
| 2 | what it [vb mod] to be | 35 |
|
| 3 | [Wh det] it used to be | 31 |
|
| 4 | [Wh det] it ought to be | 6 |
|
