| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [art] | 39733 |
|
| 2 | [v-ing] [adv] [art] | 15764 |
|
| 3 | [is] [v-ing] [adv] | 9813 |
|
| 4 | [is] [v-ing] [art] | 7494 |
|
