| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [verb] for [det] | 186 |
|
| 2 | [been] [verb] for [det] year | 117 |
|
| 3 | [vb past] [verb] for [det] year | 49 |
|
| 4 | [vb past] [been] [verb] for year | 30 |
|
| 5 | [vb past] [been] [verb] [det] year | 18 |
|
| 6 | [vb past] [been] for [det] year | 10 |
|
