| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | ought [prep] be careful | 6 |
|
| 2 | [vb mod] [prep] be careful | 6 |
|
| 3 | [vb mod] to be careful | 6 |
|
| 4 | [vb mod] to be careful | 6 |
|
