| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv] [pron] [modal v] [vb infin] | 1230 |
|
| 2 | [verb] how [pron] [modal v] [vb infin] | 929 |
|
| 3 | how [adv] [pron] [modal v] [vb infin] | 548 |
|
| 4 | [verb] how [adv] [pron] [modal v] | 351 |
|
