| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun] [prep] [adj] [noun] | 8466 |
|
| 2 | keep [noun] [prep] [adj] [noun] | 23 |
|
| 3 | keep an [noun] [prep] [noun] | 19 |
|
| 4 | keep an [noun] [prep] [adj] | 11 |
|
