| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to have been [prep] | 289 |
|
| 2 | to have been [prep] | 289 |
|
| 3 | [verb] been behind | 46 |
|
| 4 | have been behind | 46 |
|
| 5 | to have be behind | 6 |
|
| 6 | to have [be] behind | 6 |
|
| 7 | to have been behind | 6 |
|
| 8 | to have [been] behind | 6 |
|
| 9 | [to-vb] been behind | 6 |
|
