| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [was/were] [adv] a | 5422 |
|
| 2 | [pron] [adv] a week | 54 |
|
| 3 | [was/were] [adv] a week | 30 |
|
| 4 | [pron] [was/were] a week | 24 |
|
