| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [adv] produced | 41 |
|
| 2 | had [adv] produce | 38 |
|
| 3 | [vb past] already produce | 13 |
|
| 4 | [vb past] [adv] to produce | 11 |
|
