| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | father [modal v] to | 11 |
|
| 2 | father [modal v] to | 11 |
|
| 3 | father [vb mod] to | 11 |
|
| 4 | father used to | 10 |
|
| 5 | father used to | 10 |
|
