| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] be [art] year | 9 |
|
| 2 | [vb past] be [art] year | 9 |
|
| 3 | [vb past] been [art] year | 9 |
|
| 4 | had be [art] year | 8 |
|
| 5 | [vb past] be a year | 7 |
|
| 6 | [vb past] be a year | 7 |
|
