| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [been] [verb] for [det] [noun] | 140 |
|
| 2 | [verb] [been] [verb] for [det] year | 109 |
|
| 3 | [vb past] [been] [verb] for [adj] year | 87 |
|
| 4 | [vb past] [been] [verb] [prep] [det] year | 42 |
|
| 5 | [vb past] [been] [verb] [prep] [det] year | 42 |
|
| 6 | [vb past] [been] [verb] for [det] year | 39 |
|
| 7 | [vb past] [be] [verb] for [det] year | 39 |
|
