| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [adj] for | 302 |
|
| 2 | [verb] been empty for | 29 |
|
| 3 | have been empty for | 29 |
|
| 4 | has been empty [prep] | 11 |
|
| 5 | has [be] empty for | 10 |
|
| 6 | has be empty for | 10 |
|
| 7 | has [been] empty for | 10 |
|
| 8 | [vb -s] been empty for | 10 |
|
