| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] an [noun sg] [prep] [adj] | 204 |
|
| 2 | [noun] keep an [noun sg] [prep] | 72 |
|
| 3 | keep an [noun sg] [prep] [adj] | 42 |
|
| 4 | [noun] keep [noun sg] [prep] [adj] | 29 |
|
| 5 | [noun] keep an [noun sg] [adj] | 6 |
|
