| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [prep] [det] | 160 |
|
| 2 | [vb -s] [prep] [det] year | 80 |
|
| 3 | [been] [prep] [det] year | 41 |
|
| 4 | [vb -s] [been] [prep] year | 9 |
|
| 5 | [vb -s] [been] [det] year | 6 |
|
