| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] an [adj] | 768 |
|
| 2 | have [been] [v-ing] [adj] | 617 |
|
| 3 | have [been] [v-ing] an | 134 |
|
| 4 | [been] [v-ing] an [adj] | 58 |
|
