| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do n't know [subord] i | 277 |
|
| 2 | do n't know [subord] i | 248 |
|
| 3 | do n't know if i | 152 |
|
| 4 | do n't know whether i | 106 |
|
| 5 | did n't know [subord] i | 27 |
|
| 6 | do n't know because i | 7 |
|
| 7 | do n't know cos i | 7 |
|
