| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] two year | 6 |
|
| 2 | have [been] two year | 6 |
|
| 3 | [been] [verb] two year | 18 |
|
| 4 | [been] [vb pp] two year | 15 |
|
| 5 | [been] [adv] two year | 8 |
|
| 6 | [been] [adv] two year | 8 |
|
