| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | not at [art] bottom | 5 |
|
| 2 | [not/n't] at [art] bottom | 5 |
|
| 3 | [not/n't] at the bottom | 5 |
|
| 4 | [not/n't] at the bottom | 5 |
|
