| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep a close eye on [pos pn] | 8 |
|
| 2 | keep a close eye on [pos pn] | 8 |
|
| 3 | keep [art] close eye on [pos pn] | 8 |
|
| 4 | to keep [art] close eye on [pos pn] | 5 |
|
