| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [v-ing] [adv prt] at the | 885 |
|
| 2 | [is] [v-ing] at the | 226 |
|
| 3 | [is] [v-ing] [adv prt] the | 178 |
|
| 4 | [is] [v-ing] [adv prt] at | 124 |
|
| 5 | [is] [adv prt] at the | 63 |
|
