| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [prep] [pron] | 7254 |
|
| 2 | [pron] must [be] [prep] | 436 |
|
| 3 | [pron] must [be] [pron] | 316 |
|
| 4 | must [be] [prep] [pron] | 109 |
|
