| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has be empty [prep] [adj] years | 6 |
|
| 2 | has be empty for [adj] year | 6 |
|
| 3 | has be empty [prep] [adj] year | 6 |
|
| 4 | has be empty for [adj] year | 6 |
|
| 5 | has be empty [prep] [adj] year | 6 |
|
| 6 | has been empty [prep] [adj] year | 6 |
|
