| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] [vb pp] a | 608 |
|
| 2 | [vb past] only [vb pp] a | 53 |
|
| 3 | they [vb past] only [vb pp] | 39 |
|
| 4 | they [vb past] only a | 16 |
|
