| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] have been at [det] [noun sg] | 10 |
|
| 2 | [modal v] have been at [det] [noun sg] | 10 |
|
| 3 | must have been at [det] [noun sg] | 5 |
|
| 4 | [modal v] have been at [det] time | 5 |
|
| 5 | must have been at [det] [noun sg] | 5 |
|
| 6 | [modal v] have been at that [noun sg] | 5 |
|
