| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a close [noun] [prep] | 806 |
|
| 2 | keep a [noun] [prep] | 671 |
|
| 3 | keep a close [noun] | 90 |
|
| 4 | keep close [noun] [prep] | 9 |
|
