| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] be careful | 14 |
|
| 2 | [modal v] [adv] be careful | 13 |
|
| 3 | must [adv] be careful | 9 |
|
| 4 | must [adv] be careful | 9 |
|
| 5 | [modal v] always be careful | 7 |
|
| 6 | [modal v] always be careful | 7 |
|
| 7 | should [adv] be careful | 5 |
|
| 8 | should [adv] be careful | 5 |
|
