| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [been] [prep] [det] [noun sg] | 343 |
|
| 2 | must [verb] [prep] [det] [noun sg] | 100 |
|
| 3 | must [verb] [been] [det] [noun sg] | 34 |
|
| 4 | must [verb] [been] [prep] [det] | 26 |
|
| 5 | must [verb] [been] [prep] [noun sg] | 25 |
|
