| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | keep a close [noun sg] [prep] | 83 |
|
| 2 | keep a close [noun] on | 81 |
|
| 3 | keep a close eye [prep] | 48 |
|
| 4 | keep a close eye [prep] | 48 |
|
| 5 | keep a close watch [prep] | 28 |
|
| 6 | keep a close watch [prep] | 28 |
|
| 7 | keeping a close [noun] [prep] | 23 |
|
| 8 | keep a close [noun] [prep] | 20 |
|
| 9 | to keep a close [noun] [prep] | 18 |
|
| 10 | keep a close [noun] [prep] | 9 |
|
| 11 | kept a close [noun] [prep] | 8 |
|
| 12 | keep a close check [prep] | 5 |
|
| 13 | keep a close check [prep] | 5 |
|
