| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [been] [v-ing] [adv] | 282 |
|
| 2 | [adv] [v-ing] [adv] at | 250 |
|
| 3 | [been] [v-ing] [adv] at | 76 |
|
| 4 | [adv] [been] [v-ing] at | 40 |
|
| 5 | [adv] [been] [adv] at | 26 |
|
