| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know i have | 42 |
|
| 2 | n't know i have | 40 |
|
| 3 | not know i 've | 14 |
|
| 4 | not know i had | 12 |
|
| 5 | not know i have | 12 |
|
