| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] [prep] [noun] | 276 |
|
| 2 | they have [been] [v-ing] [prep] | 52 |
|
| 3 | they have [been] [prep] [noun] | 41 |
|
| 4 | they have [been] [v-ing] [noun] | 21 |
|
