| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [prep] be [verb] [be] | 14 |
|
| 2 | [modal v] [prep] [be] [v-ing] [be] | 7 |
|
| 3 | [modal v] [prep] be [v-ing] [be] | 7 |
|
| 4 | [modal v] [prep] be [v-ing] [be] | 7 |
|
| 5 | [modal v] [prep] [be] [v-ing] [be] | 7 |
|
