| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [vb infin] [prep] their [adj] | 331 |
|
| 2 | [modal v] [vb infin] [prep] [pron] [num ord] | 74 |
|
| 3 | [modal v] [verb] [prep] their [num ord] | 6 |
|
| 4 | [modal v] [vb infin] [prep] their [num ord] | 6 |
|
