| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] [vb mod] [vb infin] be listening | 8 |
|
| 2 | [pers pn] [vb mod] have be listening | 8 |
|
| 3 | [pers pn] [vb mod] [verb] been listening | 8 |
|
| 4 | [pers pn] [vb mod] have be listening | 7 |
|
| 5 | [pers pn] must [verb] be listening | 5 |
|
