| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [adv] [prep] two year | 5 |
|
| 2 | have been [adv] [prep] two years | 5 |
|
| 3 | have been [adv] for two year | 5 |
|
| 4 | have been [adv] [prep] two year | 5 |
|
| 5 | have been [adv] for two year | 5 |
|
