| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [adv] [been] [v-ing] [noun] | 131 |
|
| 2 | [conj] have [been] [v-ing] [noun] | 57 |
|
| 3 | [conj] have [adv] [been] [v-ing] | 46 |
|
| 4 | [conj] have [adv] [been] [noun] | 23 |
|
