| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb mod] [verb] had to | 21 |
|
| 2 | [noun] [modal v] have had to | 21 |
|
| 3 | [noun] [modal v] [vb infin] had to | 21 |
|
| 4 | [noun] [modal v] have had to | 21 |
|
| 5 | [noun] would [verb] had to | 20 |
|
| 6 | [noun] would [verb] had to | 20 |
|
| 7 | [noun sg] [modal v] [verb] had to | 11 |
|
| 8 | [noun prp] [modal v] [verb] had to | 6 |
|
