| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and they have been [v-ing] | 40 |
|
| 2 | and they [vb base] been [v-ing] | 34 |
|
| 3 | and they 've been [v-ing] | 26 |
|
| 4 | and they have been [v-ing] | 8 |
|
| 5 | and they [vb past] been [v-ing] | 6 |
|
