| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [modal v] [verb] | 3960 |
|
| 2 | [prep] [pron] [modal v] [vb infin] | 3877 |
|
| 3 | [prep] [pron] [modal v] know | 47 |
|
| 4 | [prep] [pron] [modal v] know | 46 |
|
