| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | one has to be very careful | 6 |
|
| 2 | [pron] has to be very careful | 6 |
|
| 3 | one has to be very careful | 6 |
|
| 4 | [indef pn] has to be very careful | 6 |
|
