| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have [been] [v-ing] [prep] | 127 |
|
| 2 | [indef pn] have [been] [v-ing] [prep] | 41 |
|
| 3 | [indef pn] that have [been] [v-ing] | 20 |
|
| 4 | [indef pn] that have [been] [prep] | 9 |
|
