| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not know [prep] | 950 |
|
| 2 | n't know [prep] | 792 |
|
| 3 | not know about | 624 |
|
| 4 | not know [prep] | 424 |
|
| 5 | not known [prep] | 229 |
|
| 6 | not know of | 133 |
|
| 7 | not know for | 113 |
|
| 8 | not know to | 105 |
|
| 9 | not know at | 80 |
|
| 10 | not know in | 49 |
|
| 11 | not know until | 24 |
|
| 12 | not knowing [prep] | 19 |
|
| 13 | not know with | 16 |
|
| 14 | not know from | 14 |
|
| 15 | not know as | 14 |
|
| 16 | not know by | 12 |
|
| 17 | not to know [prep] | 11 |
|
| 18 | not know [prep] | 7 |
|
| 19 | not know before | 5 |
|
| 20 | not know till | 5 |
|
