| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep a close [noun sg] on [art] | 28 |
|
| 2 | keep a close [noun] on the | 27 |
|
| 3 | keep a close eye on [art] | 16 |
|
| 4 | keep a close eye on [art] | 16 |
|
| 5 | keep a close watch on [art] | 10 |
|
| 6 | keeping a close [noun] on [art] | 10 |
|
| 7 | keep a close watch on [art] | 10 |
|
| 8 | keep a close [noun] on [art] | 5 |
|
