| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [no cls] [vb mod] to be | 13 |
|
| 2 | [no cls] used to be | 7 |
|
| 3 | er [vb mod] to be | 6 |
|
| 4 | [no cls] ought to be | 6 |
|
