| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have [been] [prep] | 289 |
|
| 2 | to have [been] [prep] | 289 |
|
| 3 | have [been] behind | 46 |
|
| 4 | [verb] [been] behind | 46 |
|
| 5 | [to-vb] [been] behind | 6 |
|
| 6 | to have [be] behind | 6 |
|
| 7 | to have [been] behind | 6 |
|
