| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] | 19902 |
|
| 2 | have [been] [prep] | 11263 |
|
| 3 | [been] [v-ing] [prep] | 6838 |
|
| 4 | have [v-ing] [prep] | 41 |
|
