| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] keep an [noun sg] [prep] | 16 |
|
| 2 | [adv] keep an eye [prep] | 15 |
|
| 3 | [adv] keep an [noun] on | 15 |
|
| 4 | [adv] keep an eye [prep] | 15 |
|
| 5 | [adv] keep an [noun] [prep] | 9 |
|
| 6 | not keep an [noun] [prep] | 7 |
|
| 7 | [not/n't] keep an [noun] [prep] | 7 |
|
| 8 | n't keep an [noun] [prep] | 5 |
|
