| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adv] a | 10029 |
|
| 2 | [adv] a year | 1618 |
|
| 3 | [was/were] a year | 109 |
|
| 4 | [was/were] [adv] year | 14 |
|
