| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] to [be] a | 520 |
|
| 2 | ought to [be] [art] | 139 |
|
| 3 | ought to [be] [art] | 139 |
|
| 4 | ought to [be] a | 95 |
|
| 5 | ought [prep] [be] a | 88 |
|
