| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] used to be | 85 |
|
| 2 | [adv] ought to be | 73 |
|
| 3 | really [vb mod] to be | 37 |
|
| 4 | never [vb mod] to be | 26 |
|
| 5 | always [vb mod] to be | 22 |
|
| 6 | all [vb mod] to be | 8 |
|
| 7 | often [vb mod] to be | 5 |
|
