| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] an [noun] [prep] | 19388 |
|
| 2 | [vb base] an [noun] [prep] | 2129 |
|
| 3 | keep an [noun] [prep] | 510 |
|
| 4 | keep [art] [noun] [prep] | 383 |
|
| 5 | keep [art] [noun] [prep] | 383 |
|
| 6 | keep a [noun] [prep] | 211 |
|
