| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [vb pp] before | 220 |
|
| 2 | [vb past] done before | 22 |
|
| 3 | [vb past] gone before | 15 |
|
| 4 | [vb past] happened before | 13 |
|
| 5 | 'd [vb pp] before | 10 |
|
| 6 | [vb past] arrived before | 6 |
|
| 7 | [vb past] known before | 6 |
|
| 8 | [vb past] appeared before | 6 |
|
| 9 | [vb past] existed before | 6 |
|
| 10 | [vb past] seen before | 6 |
|
| 11 | [vb past] left before | 5 |
|
| 12 | [vb past] come before | 5 |
|
