| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [noun sg] [noun sg] [prep] [noun] | 1361 |
|
| 2 | an [noun] [noun sg] [prep] [noun prp] | 781 |
|
| 3 | an [noun] [noun sg] [prep] [noun sg] | 531 |
|
| 4 | an [noun] [noun sg] in [noun] | 412 |
|
| 5 | an [noun] [noun sg] of [noun] | 393 |
|
| 6 | an [noun prp] [noun sg] [prep] [noun] | 195 |
|
| 7 | an [noun] [noun sg] for [noun] | 182 |
|
| 8 | an [noun] [noun sg] [prep] [noun pl] | 178 |
|
| 9 | an [noun] [noun sg] [prep] [n mass] | 142 |
|
| 10 | an [noun] [noun sg] on [noun] | 130 |
|
| 11 | an [noun] [noun sg] at [noun] | 113 |
|
| 12 | an [noun] [noun sg] with [noun] | 90 |
|
| 13 | an [noun] [noun sg] to [noun] | 82 |
|
| 14 | an [noun] [noun sg] from [noun] | 66 |
|
| 15 | an emergency [noun sg] [prep] [noun] | 45 |
|
| 16 | an emergency [noun sg] [prep] [noun] | 45 |
|
| 17 | an [noun pl] [noun sg] [prep] [noun] | 44 |
|
| 18 | an [noun] [noun sg] by [noun] | 35 |
|
| 19 | an [n mass] [noun sg] [prep] [noun] | 33 |
|
| 20 | an executive [noun sg] [prep] [noun] | 31 |
|
| 21 | an executive [noun sg] [prep] [noun] | 31 |
|
| 22 | an air [noun sg] [prep] [noun] | 30 |
|
| 23 | an air [noun sg] [prep] [noun] | 30 |
|
| 24 | an operating [noun sg] [prep] [noun] | 29 |
|
| 25 | an operating [noun sg] [prep] [noun] | 29 |
|
| 26 | an army [noun sg] [prep] [noun] | 26 |
|
| 27 | an evening [noun sg] [prep] [noun] | 26 |
|
| 28 | an army [noun sg] [prep] [noun] | 26 |
|
| 29 | an evening [noun sg] [prep] [noun] | 26 |
|
| 30 | an art [noun sg] [prep] [noun] | 25 |
|
