| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] to be [verb] | 1284 |
|
| 2 | [modal v] to [be] [v-ing] | 252 |
|
| 3 | [modal v] to be [v-ing] | 252 |
|
| 4 | [modal v] to [be] [v-ing] | 252 |
|
| 5 | [modal v] [prep] be [v-ing] | 252 |
|
