| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a close [noun sg] [prep] | 157 |
|
| 2 | keep a close [noun sg] [prep] | 88 |
|
| 3 | be keep a [noun sg] [prep] | 34 |
|
| 4 | be keep a close [noun sg] | 16 |
|
