| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and they [vb base] [been] [v-ing] [det] | 5 |
|
| 2 | and they [verb] [been] [v-ing] [det] | 5 |
|
| 3 | and they have [been] [v-ing] [det] | 5 |
|
| 4 | and they [verb] been [v-ing] [det] | 5 |
|
