| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't know [art] [noun sg] | 350 |
|
| 2 | did n't know [art] | 143 |
|
| 3 | did n't [art] [noun sg] | 44 |
|
| 4 | did n't know [noun sg] | 17 |
|
