| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is uncertain | 270 |
|
| 2 | was uncertain | 88 |
|
| 3 | are uncertain | 88 |
|
| 4 | be uncertain | 35 |
|
| 5 | were uncertain | 18 |
|
| 6 | been uncertain | 12 |
|
| 7 | am uncertain | 5 |
|
