| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [vb pp] back to | 787 |
|
| 2 | be [vb pp] back to | 787 |
|
| 3 | [verb] [vb pp] back to | 310 |
|
| 4 | have [vb pp] back to | 299 |
|
| 5 | be [vb pp] back to | 288 |
|
| 6 | [be] [vb pp] back to | 288 |
|
| 7 | [was/were] [vb pp] back to | 258 |
|
| 8 | was [vb pp] back to | 194 |
|
| 9 | [adv] [vb pp] back to | 192 |
|
| 10 | [adv] [vb pp] back to | 176 |
|
| 11 | [vb past] [vb pp] back to | 140 |
|
| 12 | had [vb pp] back to | 129 |
|
| 13 | [been] [vb pp] back to | 88 |
|
| 14 | been [vb pp] back to | 88 |
|
| 15 | [vb -s] [vb pp] back to | 75 |
|
| 16 | were [vb pp] back to | 64 |
|
| 17 | [conj] [vb pp] back to | 63 |
|
| 18 | [coord] [vb pp] back to | 59 |
|
| 19 | being [vb pp] back to | 59 |
|
| 20 | [being] [vb pp] back to | 59 |
|
| 21 | and [vb pp] back to | 54 |
|
| 22 | and [vb pp] back to | 54 |
|
| 23 | [is] [vb pp] back to | 54 |
|
| 24 | is [vb pp] back to | 52 |
|
| 25 | [noun] [vb pp] back to | 50 |
|
| 26 | [vb base] [vb pp] back to | 49 |
|
| 27 | has [vb pp] back to | 48 |
|
| 28 | [am/are] [vb pp] back to | 40 |
|
| 29 | are [vb pp] back to | 33 |
|
| 30 | then [vb pp] back to | 32 |
|
