| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have [adv] gone unnoticed | 11 |
|
| 2 | [noun sg] have [not/n't] gone unnoticed | 10 |
|
| 3 | [noun sg] have not gone unnoticed | 10 |
|
| 4 | [noun sg] have not gone unnoticed | 7 |
|
