| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have [been] [v-ing] to | 294 |
|
| 2 | they have [been] [v-ing] [prep] | 256 |
|
| 3 | they have [been] [verb] to | 125 |
|
| 4 | they have [be] [v-ing] to | 11 |
|
| 5 | they [verb] [been] [v-ing] to | 11 |
|
