| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] empty for [det] [noun] | 11 |
|
| 2 | be empty for [det] [noun] | 11 |
|
| 3 | [been] empty for [det] [noun] | 10 |
|
| 4 | been empty for [det] [noun] | 10 |
|
| 5 | [be] empty for [det] years | 7 |
|
| 6 | [be] empty for [det] year | 7 |
|
| 7 | [be] empty for [det] [noun pl] | 7 |
|
