| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keeping a close [noun sg] on | 23 |
|
| 2 | keeping a close eye on | 12 |
|
| 3 | keeping a close eye on | 12 |
|
| 4 | keeping a close watch on | 10 |
|
| 5 | keeping a close watch on | 10 |
|
