| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep an [noun sg] [prep] [pron] [adv] | 10 |
|
| 2 | keep an eye [prep] [pron] [adv] | 10 |
|
| 3 | keep an eye [prep] [pron] [adv] | 10 |
|
| 4 | keep an [noun] on [pron] [adv] | 10 |
|
| 5 | keep an [noun] [prep] [pers pn] [adv] | 9 |
|
