| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [pron] [adv] | 3404 |
|
| 2 | [be] [v-ing] [pron] [adv] | 3404 |
|
| 3 | [is] [v-ing] [pron] [adv] | 617 |
|
| 4 | 's [verb] [pron] [adv] | 463 |
|
