| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have been [vb pp] [prep] [adj] | 342 |
|
| 2 | it have been [vb pp] [prep] [det] | 135 |
|
| 3 | [pron] have been [vb pp] [prep] several | 33 |
|
| 4 | it have been [verb] [prep] several | 10 |
|
| 5 | it have been [vb pp] [prep] several | 10 |
|
| 6 | it [verb] been [vb pp] [prep] several | 10 |
|
| 7 | it have been [vb pp] [prep] several | 10 |
|
| 8 | it have [be] [vb pp] [prep] several | 10 |
|
| 9 | it have be [vb pp] [prep] several | 10 |
|
| 10 | it have [been] [vb pp] [prep] several | 10 |
|
