| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't know [subord] | 2033 |
|
| 2 | do n't know i | 320 |
|
| 3 | n't know [subord] i | 280 |
|
| 4 | do n't [subord] i | 32 |
|
