| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [verb] [be] [verb] for | 37 |
|
| 2 | must [verb] [be] [v-ing] for | 18 |
|
| 3 | [modal v] [verb] [be] looking for | 13 |
|
| 4 | must [verb] [be] looking [prep] | 6 |
|
| 5 | must [verb] [be] look for | 5 |
|
