| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have to be sure | 11 |
|
| 2 | [pron] have to be sure | 11 |
|
| 3 | you have to be sure | 6 |
|
| 4 | you have to be sure | 6 |
|
| 5 | have to be sure [conj] | 9 |
|
| 6 | have to be sure that | 6 |
|
| 7 | have to be sure [that] | 6 |
|
| 8 | have to be sure that | 6 |
|
