| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] know if i [verb] | 64 |
|
| 2 | [not/n't] know i [be] [verb] | 32 |
|
| 3 | [not/n't] know if i [be] | 25 |
|
| 4 | know if i [be] [verb] | 20 |
|
| 5 | [not/n't] if i [be] [verb] | 5 |
|
