| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ought [prep] be | 1860 |
|
| 2 | ought [prep] [be] | 1860 |
|
| 3 | ought [prep] [be] | 1859 |
|
| 4 | ought [prep] be | 1859 |
|
| 5 | ought to [be] | 1859 |
|
