| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [been] [v-ing] [prep] | 1995 |
|
| 2 | [vb base] [been] [v-ing] [prep] | 1992 |
|
| 3 | [vb base] [been] [verb] to | 1398 |
|
| 4 | [verb] [been] [v-ing] to | 508 |
|
| 5 | [vb base] [be] [v-ing] to | 209 |
|
| 6 | [vb base] [been] [v-ing] to | 188 |
|
