| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adv] [v-ing] | 13272 |
|
| 2 | [vb pp] [adv] [v-ing] | 1361 |
|
| 3 | [vb pp] [is] [adv] | 1178 |
|
| 4 | [vb pp] [is] [v-ing] | 71 |
|
