| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [pron] [modal v] [verb] | 289 |
|
| 2 | [modal v] [be] [v-ing] [pron] [verb] | 131 |
|
| 3 | [modal v] [be] [pron] [modal v] [verb] | 33 |
|
| 4 | [modal v] [be] [v-ing] [pron] [modal v] | 23 |
|
