| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] at [pron] [adv] | 391 |
|
| 2 | [is] [v-ing] [pron] [adv] | 297 |
|
| 3 | [is] [v-ing] at [pron] | 129 |
|
| 4 | [is] at [pron] [adv] | 83 |
|
| 5 | [is] [v-ing] at [adv] | 48 |
|
