| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know a [noun sg] | 59 |
|
| 2 | n't know a [noun sg] | 51 |
|
| 3 | not know a lot | 13 |
|
| 4 | not know a [noun sg] | 13 |
|
| 5 | not know a thing | 13 |
|
| 6 | not know a word | 5 |
|
