| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [prep] an [adj] [noun] | 230 |
|
| 2 | [was/were] [prep] an [adj] [noun] | 225 |
|
| 3 | [was/were] [prep] an [noun] [noun] | 48 |
|
| 4 | [was/were] [prep] an [noun sg] [noun] | 44 |
|
| 5 | [was/were] [prep] an old [noun] | 21 |
|
| 6 | [was/were] [prep] an old [noun] | 21 |
|
| 7 | [was/were] [prep] an advanced [noun] | 12 |
|
| 8 | [was/were] [prep] an advanced [noun] | 12 |
|
| 9 | [was/were] [prep] an impossible [noun] | 6 |
|
| 10 | [was/were] [prep] an impossible [noun] | 6 |
|
| 11 | [was/were] [prep] an early [noun] | 6 |
|
| 12 | [was/were] [prep] an official [noun] | 5 |
|
| 13 | [was/were] [prep] an official [noun] | 5 |
|
| 14 | [was/were] [prep] an important [noun] | 5 |
|
| 15 | [was/were] [prep] an early [noun] | 5 |
|
| 16 | [was/were] [prep] an important [noun] | 5 |
|
| 17 | [was/were] [prep] an all-time [noun] | 5 |
|
| 18 | [was/were] [prep] an all-time [noun] | 5 |
|
| 19 | [noun] [was/were] [prep] an [noun] | 138 |
|
| 20 | [pron] [was/were] [prep] an [noun] | 129 |
|
| 21 | [pers pn] [was/were] [prep] an [noun] | 117 |
|
| 22 | [noun sg] [was/were] [prep] an [noun] | 96 |
|
| 23 | it [was/were] [prep] an [noun] | 47 |
|
| 24 | it [was/were] [prep] an [noun] | 47 |
|
| 25 | he [was/were] [prep] an [noun] | 24 |
|
| 26 | he [was/were] [prep] an [noun] | 23 |
|
| 27 | [noun pl] [was/were] [prep] an [noun] | 21 |
|
| 28 | [noun prp] [was/were] [prep] an [noun] | 19 |
|
| 29 | i [was/were] [prep] an [noun] | 13 |
|
| 30 | i [was/were] [prep] an [noun] | 13 |
|
