| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] this [noun sg] [prep] [noun sg] | 12 |
|
| 2 | must [vb infin] this [noun sg] of [noun sg] | 5 |
|
| 3 | must [vb infin] this [noun sg] of [noun sg] | 5 |
|
