| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is [adj] to be sure | 28 |
|
| 2 | [pron] is [adj] to be sure | 27 |
|
| 3 | [pron] is impossible to be [adj] | 19 |
|
| 4 | [pron] is impossible to be [adj] | 19 |
|
| 5 | [pron] [be] impossible to be sure | 9 |
|
| 6 | [pron] be impossible to be sure | 9 |
|
| 7 | [pron] [is] impossible to be sure | 7 |
|
| 8 | [pron] is impossible to be sure | 6 |
|
| 9 | [pron] is impossible [prep] be sure | 6 |
|
| 10 | [pron] is impossible to be sure | 6 |
|
| 11 | [pron] is impossible to be sure | 6 |
|
| 12 | [pron] is impossible [prep] be sure | 6 |
|
| 13 | [pron] is impossible to be sure | 6 |
|
| 14 | [pron] is impossible to [be] sure | 6 |
|
| 15 | [pron] is impossible to [be] sure | 6 |
|
