| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not [adv] found [art] | 9 |
|
| 2 | have not yet found [art] | 8 |
|
| 3 | have n't [adv] found [art] | 6 |
|
| 4 | have not [adv] found a | 5 |
|
| 5 | have not [adv] found a | 5 |
|
