| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which must [vb infin] | 172 |
|
| 2 | [noun sg] which must [vb infin] | 126 |
|
| 3 | [noun] which must have | 67 |
|
| 4 | [noun pl] which must [vb infin] | 42 |
|
