| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [v-ing] | 13272 |
|
| 2 | [conj] [adv] [v-ing] | 9779 |
|
| 3 | [conj] [is] [adv] | 9508 |
|
| 4 | [conj] [is] [v-ing] | 1995 |
|
