| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [adv] a | 373 |
|
| 2 | [vb -s] have [been] [adv] | 217 |
|
| 3 | [vb -s] have [been] a | 140 |
|
| 4 | [vb -s] [been] [adv] a | 108 |
|
| 5 | [vb -s] have [adv] a | 14 |
|
