| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [not/n't] keep a [noun] on | 7 |
|
| 2 | [not/n't] keep a [noun sg] on | 7 |
|
| 3 | [not/n't] keep an [noun] on | 6 |
|
| 4 | [not/n't] keep a eye on | 6 |
|
| 5 | [not/n't] keep a eye on | 6 |
|
