| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] an | 117 |
|
| 2 | have [been] [vb pp] [prep] an | 110 |
|
| 3 | have [been] [verb] by an | 29 |
|
| 4 | have [been] [verb] in an | 23 |
|
| 5 | have [been] [verb] as an | 13 |
|
| 6 | have [been] [verb] with an | 12 |
|
| 7 | have [been] [verb] on an | 8 |
|
| 8 | have [been] [v-ing] [prep] an | 7 |
|
| 9 | have [been] [verb] to an | 7 |
|
| 10 | have [been] [verb] from an | 6 |
|
| 11 | have [been] [verb] at an | 5 |
|
