| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [vb pp] [prep] [adj] year | 381 |
|
| 2 | [be] [vb pp] [prep] three year | 96 |
|
| 3 | be [vb pp] [prep] three year | 96 |
|
| 4 | been [vb pp] [prep] three [noun] | 90 |
|
| 5 | been [verb] [prep] three year | 34 |
|
| 6 | been [vb pp] [prep] three year | 21 |
|
| 7 | [been] [vb pp] [prep] three year | 21 |
|
