| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [prep] be sure | 83 |
|
| 2 | [adj] [prep] be sure | 83 |
|
| 3 | [adj] [prep] [be] sure | 83 |
|
| 4 | [adj] to [be] sure | 83 |
|
| 5 | difficult [prep] [be] sure | 30 |
|
| 6 | hard [prep] [be] sure | 12 |
|
| 7 | impossible [prep] [be] sure | 9 |
|
| 8 | possible [prep] [be] sure | 8 |
|
| 9 | important [prep] [be] sure | 6 |
|
| 10 | early [prep] [be] sure | 6 |
|
