| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] been [v-ing] | 6806 |
|
| 2 | they [vb base] been | 2873 |
|
| 3 | they [vb base] [v-ing] | 742 |
|
| 4 | they been [v-ing] | 29 |
|
