| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [v-ing] [prep] | 1992 |
|
| 2 | they [vb base] been [v-ing] | 499 |
|
| 3 | they [vb base] been [prep] | 223 |
|
| 4 | they [vb base] [v-ing] [prep] | 150 |
|
| 5 | they been [v-ing] [prep] | 8 |
|
