| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] two years [prep] | 108 |
|
| 2 | been [verb] [prep] two years | 39 |
|
| 3 | been [verb] [prep] years [prep] | 36 |
|
| 4 | been [verb] [prep] two [prep] | 15 |
|
