| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [adv] [art] | 2356 |
|
| 2 | [is] [verb] [adv] [art] | 1282 |
|
| 3 | [is] [v-ing] [adv] [art] | 496 |
|
