| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | how they [modal v] [adv] [vb infin] [pron] | 6 |
|
| 2 | how they [vb mod] [adv] [verb] [pron] | 6 |
|
| 3 | how they [modal v] [adv] [verb] [pron] | 6 |
|
