| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] have been [v-ing] a [noun] | 5 |
|
| 2 | and have [been] [v-ing] a [noun] | 5 |
|
| 3 | [coord] have [been] [v-ing] a [noun] | 5 |
|
| 4 | and have [been] [v-ing] a [noun] | 5 |
|
