| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [verb] in a | 913 |
|
| 2 | [modal v] have [been] [verb] in | 519 |
|
| 3 | [modal v] have [been] [verb] a | 139 |
|
| 4 | [modal v] have [verb] in a | 101 |
|
| 5 | [modal v] have [been] in a | 50 |
|
