| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep a [adj] eye | 169 |
|
| 2 | keep a close [noun] | 95 |
|
| 3 | keep a close [noun sg] | 95 |
|
| 4 | keep [art] close eye | 55 |
|
| 5 | keep a close eye | 55 |
|
| 6 | keep [art] close eye | 55 |
|
| 7 | keep a close eye | 54 |
|
| 8 | [verb] a close eye | 54 |
|
