| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] in [noun sg] | 4099 |
|
| 2 | must [vb infin] [noun sg] | 1196 |
|
| 3 | must [vb infin] in | 480 |
|
| 4 | must in [noun sg] | 41 |
|
