| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep a [adj] eye on | 145 |
|
| 2 | keep a close [noun] on | 86 |
|
| 3 | keep a close [noun sg] on | 86 |
|
| 4 | keep [art] close eye on | 51 |
|
| 5 | keep [art] close eye on | 51 |
|
| 6 | keep a close eye on | 51 |
|
| 7 | keep a close eye [prep] | 50 |
|
| 8 | [verb] a close eye on | 50 |
|
| 9 | keep a close eye on | 50 |
|
| 10 | keep a close eye on | 50 |
|
| 11 | keep a close eye [prep] | 50 |
|
