| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] at a | 1866 |
|
| 2 | [be] [vb pp] at a | 1866 |
|
| 3 | [was/were] [vb pp] at a | 613 |
|
| 4 | [be] [vb pp] at a | 608 |
|
| 5 | be [vb pp] at a | 608 |
|
| 6 | [noun] [vb pp] at a | 446 |
|
| 7 | was [vb pp] at a | 397 |
|
| 8 | [verb] [vb pp] at a | 293 |
|
| 9 | have [vb pp] at a | 271 |
|
| 10 | [adv] [vb pp] at a | 270 |
|
| 11 | [noun sg] [vb pp] at a | 268 |
|
| 12 | [adv] [vb pp] at a | 252 |
|
| 13 | [is] [vb pp] at a | 251 |
|
| 14 | is [vb pp] at a | 247 |
|
| 15 | were [vb pp] at a | 216 |
|
| 16 | [noun pl] [vb pp] at a | 170 |
|
| 17 | been [vb pp] at a | 147 |
|
| 18 | [been] [vb pp] at a | 147 |
|
| 19 | [am/are] [vb pp] at a | 139 |
|
| 20 | are [vb pp] at a | 132 |
|
| 21 | [conj] [vb pp] at a | 132 |
|
| 22 | [being] [vb pp] at a | 108 |
|
| 23 | being [vb pp] at a | 108 |
|
| 24 | [vb past] [vb pp] at a | 104 |
|
| 25 | had [vb pp] at a | 92 |
|
| 26 | [coord] [vb pp] at a | 92 |
|
| 27 | and [vb pp] at a | 77 |
|
| 28 | and [vb pp] at a | 77 |
|
| 29 | [vb infin] [vb pp] at a | 60 |
|
| 30 | have [vb pp] at a | 58 |
|
