| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] throughout this [noun sg] | 5 |
|
| 2 | [vb base] been [v-ing] throughout this [noun sg] | 5 |
|
| 3 | have been [v-ing] throughout this [noun sg] | 5 |
|
