| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [pron] [adv] | 3404 |
|
| 2 | [modal v] [be] [v-ing] [adv] | 2482 |
|
| 3 | [modal v] [be] [v-ing] [pron] | 1971 |
|
| 4 | [modal v] [be] [pron] [adv] | 246 |
|
