| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [verb] [art] [noun sg] | 10 |
|
| 2 | [vb infin] been [v-ing] [to-vb] [art] [noun sg] | 10 |
|
| 3 | [vb infin] been [v-ing] [verb] the [noun sg] | 8 |
|
