| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] to be do | 78 |
|
| 2 | [vb mod] to [be] do | 78 |
|
| 3 | [vb mod] to be do | 78 |
|
| 4 | ought to [be] do | 72 |
|
| 5 | [vb mod] to [be] doing | 40 |
|
| 6 | [vb mod] to [be] done | 36 |
|
| 7 | used to [be] do | 6 |
|
