| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a [noun sg] at the | 365 |
|
| 2 | [v-ing] a [noun sg] at the | 212 |
|
| 3 | be [v-ing] a [noun sg] at | 156 |
|
| 4 | be [v-ing] [noun sg] at the | 84 |
|
| 5 | be [v-ing] a [noun sg] the | 8 |
|
