| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep [art] close eye on | 7 |
|
| 2 | keep a close eye on | 7 |
|
| 3 | keep [art] close eye on | 7 |
|
| 4 | keep [art] close eye on | 7 |
|
| 5 | keep a close eye on | 7 |
|
