| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] they 've [been] [v-ing] | 9 |
|
| 2 | [vb base] they 've be [v-ing] | 9 |
|
| 3 | [vb base] they 've been [v-ing] | 9 |
|
| 4 | [vb base] they 've [be] [v-ing] | 9 |
|
