| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep an eye [prep] [adj] | 11 |
|
| 2 | keep an eye [prep] [adj] | 11 |
|
| 3 | keep an [noun] [prep] [adj] | 11 |
|
| 4 | keep an [noun] on [adj] | 11 |
|
| 5 | keep an [noun sg] [prep] [adj] | 11 |
|
| 6 | keep an [noun] on [adj] | 11 |
|
| 7 | keep an [noun] [prep] [det] | 8 |
|
