| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep a [adj] eye [prep] | 149 |
|
| 2 | keep a [adj] eye [prep] | 145 |
|
| 3 | [verb] a keen eye [prep] | 8 |
|
| 4 | keep a keen eye [prep] | 5 |
|
| 5 | keep a keen [noun sg] [prep] | 5 |
|
| 6 | keep a keen eye [prep] | 5 |
|
| 7 | keep [art] keen eye [prep] | 5 |
|
| 8 | keep a keen eye [prep] | 5 |
|
| 9 | keep a keen [noun] [prep] | 5 |
|
| 10 | keep a keen eye [prep] | 5 |
|
| 11 | keep [art] keen eye [prep] | 5 |
|
