| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [verb] [prep] [num] year | 122 |
|
| 2 | [vb -s] been [verb] [prep] [num] year | 122 |
|
| 3 | [vb -s] been [verb] to [num] [noun] | 40 |
|
| 4 | [verb] been [verb] to [num] year | 22 |
|
| 5 | [vb -s] been [verb] to [adj] year | 8 |
|
| 6 | [vb -s] [be] [verb] to [num] year | 8 |
|
| 7 | [vb -s] [been] [verb] to [num] year | 8 |
|
| 8 | [vb -s] been [verb] to [num] year | 8 |
|
| 9 | [vb -s] be [verb] to [num] year | 8 |
|
