| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that they [vb base] been [v-ing] | 28 |
|
| 2 | that they [vb base] been [v-ing] | 28 |
|
| 3 | that they have been [v-ing] | 17 |
|
| 4 | that they 've been [v-ing] | 11 |
|
