| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] some of | 19 |
|
| 2 | have [been] [v-ing] some of | 19 |
|
| 3 | have been [v-ing] some of | 19 |
|
| 4 | had [been] [v-ing] some of | 6 |
|
| 5 | has [been] [v-ing] some of | 5 |
|
