| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] gone unnoticed [prep] | 10 |
|
| 2 | have not gone unnoticed [prep] | 9 |
|
| 3 | have [not/n't] gone unnoticed [prep] | 9 |
|
| 4 | have not gone unnoticed [prep] | 7 |
|
