| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [verb] [pron] [prep] | 3763 |
|
| 2 | must [vb infin] [verb] [pron] | 1271 |
|
| 3 | must [vb infin] [verb] [prep] | 867 |
|
| 4 | must [verb] [pron] [prep] | 440 |
|
| 5 | must [vb infin] [pron] [prep] | 439 |
|
