| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] we have [prep] be careful | 5 |
|
| 2 | [conj] we have to be careful | 5 |
|
| 3 | [conj] we have to be careful | 5 |
|
| 4 | [conj] we have [prep] be careful | 5 |
|
