| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [is] [verb] [adv prt] at the | 22 |
|
| 2 | [Wh det] [is] [v-ing] [adv prt] at the | 19 |
|
| 3 | [Wh det] [is] go [adv prt] at the | 16 |
|
| 4 | [Wh det] [is] going [adv prt] at the | 16 |
|
