| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] have been [adv] a | 61 |
|
| 2 | [vb mod] have [been] [adv] a | 61 |
|
| 3 | [modal v] have [been] [adv] a | 57 |
|
| 4 | must have [been] [adv] a | 27 |
|
| 5 | must have [been] [adv] a | 27 |
|
| 6 | [modal v] have [been] quite a | 20 |
|
| 7 | would have [been] [adv] a | 12 |
|
| 8 | would have [been] [adv] a | 12 |
|
| 9 | [modal v] have [been] just a | 9 |
|
| 10 | may have [been] [adv] a | 7 |
|
| 11 | might have [been] [adv] a | 7 |
|
| 12 | might have [been] [adv] a | 7 |
|
| 13 | may have [been] [adv] a | 7 |
|
| 14 | [modal v] have [been] rather a | 6 |
|
| 15 | [modal v] have [been] only a | 6 |
|
