| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] had to be careful [prep] | 10 |
|
| 2 | [pers pn] had to be careful [prep] | 9 |
|
| 3 | had to be [adv] careful [prep] | 6 |
|
| 4 | had to be [adv] careful [prep] | 6 |
|
| 5 | had to be very careful [prep] | 5 |
|
| 6 | had to be very careful [prep] | 5 |
|
