| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv prt] by | 1992 |
|
| 2 | [vb past] [adv prt] an | 663 |
|
| 3 | [adv prt] by an | 196 |
|
| 4 | [vb past] by an | 135 |
|
