| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been [prep] this | 23 |
|
| 2 | [vb mod] have [been] [prep] this | 23 |
|
| 3 | [vb mod] have be [prep] this | 23 |
|
| 4 | [vb mod] have [be] [prep] this | 23 |
|
| 5 | must have [be] [prep] this | 8 |
|
| 6 | [vb mod] have [be] in this | 7 |
|
| 7 | may have [be] [prep] this | 5 |
|
