| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [verb] [prep] | 5097 |
|
| 2 | [modal v] be looking [prep] | 534 |
|
| 3 | [vb mod] be looking [prep] | 534 |
|
| 4 | must be [v-ing] [prep] | 161 |
|
| 5 | must be look [prep] | 41 |
|
| 6 | must [be] looking [prep] | 16 |
|
| 7 | must be looking [prep] | 16 |
|
| 8 | must be looking [prep] | 16 |
|
