| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] to produce | 11 |
|
| 2 | is [adv] to produce | 6 |
|
| 3 | [is] [adv] to produce | 6 |
|
| 4 | [was/were] [adv] to produce | 5 |
|
| 5 | was [adv] to produce | 5 |
|
