| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [prep] [noun sg] | 495 |
|
| 2 | it must [vb infin] [prep] | 159 |
|
| 3 | it [vb infin] [prep] [noun sg] | 91 |
|
| 4 | it must [vb infin] [noun sg] | 39 |
|
| 5 | it must [prep] [noun sg] | 13 |
|
